Pulmonary & systemic circulation
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Pulmonary circulation transports deoxygenated blood from the right side of the heart to the lungs where it becomes oxygenated, and then back to the left side of the heart. Systemic circulation then transports the oxygenated blood from the left ventricle through the arteries and returns it to the right atrium via the veins, except for some blood in the hepatic portal vein which passes through the liver first before returning to the heart. Humans have a double circulatory system with one circuit for pulmonary circulation and one for systemic circulation which together circulate blood throughout the body.
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Pulmonary circulation
The pulmonary circulation involves the movement of blood from the heart to the lungs and back to the heart. Deoxygenated blood enters the right atrium from the body and is pumped to the right ventricle and then into the pulmonary artery to the lungs. In the lungs, the blood releases carbon dioxide and picks up oxygen. It then returns via the pulmonary veins to the left atrium and is pumped by the left ventricle back out to the body. The purpose is to oxygenate the blood through gas exchange that only occurs in the lungs.
Pulmonary & syatamic circulations
The Pulmonary and systemic circulation. Functions of these circulations and difference between pulmonary and systemic circulation,
Blood vessels: Arteries, Veins and Capillaries
It is one of the circulatory systems. This explains the roles of arteries, veins and capillaries. It also differentiate between the arteries, veins and capillaries. This slide also explained the pulmonary circuit and systemic curcuit. This is an interesting notes and easy to be understand.
14. pulmonary and systemic circulation
1) The pulmonary circulation carries deoxygenated blood from the heart to the lungs and returns oxygenated blood to the heart.
2) The systemic circulation carries oxygenated blood away from the heart to the body and returns deoxygenated blood to the heart.
3) The pulmonary circuit begins in the right ventricle and ends in the left atrium, while the systemic circuit starts in the left ventricle and ends in the right atrium.
Circulatory System.ppt
The circulatory system transports blood around the body using the heart as a pump and a network of arteries, veins and capillaries. Deoxygenated blood enters the right side of the heart and is pumped to the lungs, where it receives oxygen and returns to the left side to be pumped through the body. Blood pressure is highest when the heart contracts and lowest when it relaxes. Nerves regulate heart rate and blood vessel diameter in response to stress and activity levels.
Structure of blood vessels
The blood vessels are the components of the circulatory system that transport blood throughout the human body. These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues.
Anatomy of the heart
The heart contains four chambers - two upper chambers called atria and two lower chambers called ventricles. The atria receive blood from veins into the heart while the thicker-walled ventricles pump blood out of the heart and into arteries. There are three types of circulation - systemic circulation pumps oxygenated blood from the left ventricle to the body, pulmonary circulation pumps deoxygenated blood from the right ventricle to the lungs, and hepatic portal circulation transports blood from the intestines to the liver. Valves between the chambers regulate blood flow through the heart.
Human Heart
The heart is a pumping organ located in the chest that continuously circulates blood through the body. It has four chambers - the two upper chambers are the atria and the two lower chambers are the ventricles. The septum separates the chambers and prevents mixing of oxygenated and deoxygenated blood. Blood flows from the right atrium to the right ventricle then to the lungs, returns oxygenated to the left atrium and left ventricle, then is pumped through the aorta to the rest of the body in a continuous cycle.
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Pulmonary circulation
The pulmonary circulation involves the movement of blood from the heart to the lungs and back to the heart. Deoxygenated blood enters the right atrium from the body and is pumped to the right ventricle and then into the pulmonary artery to the lungs. In the lungs, the blood releases carbon dioxide and picks up oxygen. It then returns via the pulmonary veins to the left atrium and is pumped by the left ventricle back out to the body. The purpose is to oxygenate the blood through gas exchange that only occurs in the lungs.
Pulmonary & syatamic circulations
The Pulmonary and systemic circulation. Functions of these circulations and difference between pulmonary and systemic circulation,
Blood vessels: Arteries, Veins and Capillaries
It is one of the circulatory systems. This explains the roles of arteries, veins and capillaries. It also differentiate between the arteries, veins and capillaries. This slide also explained the pulmonary circuit and systemic curcuit. This is an interesting notes and easy to be understand.
14. pulmonary and systemic circulation
1) The pulmonary circulation carries deoxygenated blood from the heart to the lungs and returns oxygenated blood to the heart.
2) The systemic circulation carries oxygenated blood away from the heart to the body and returns deoxygenated blood to the heart.
3) The pulmonary circuit begins in the right ventricle and ends in the left atrium, while the systemic circuit starts in the left ventricle and ends in the right atrium.
Circulatory System.ppt
The circulatory system transports blood around the body using the heart as a pump and a network of arteries, veins and capillaries. Deoxygenated blood enters the right side of the heart and is pumped to the lungs, where it receives oxygen and returns to the left side to be pumped through the body. Blood pressure is highest when the heart contracts and lowest when it relaxes. Nerves regulate heart rate and blood vessel diameter in response to stress and activity levels.
Structure of blood vessels
The blood vessels are the components of the circulatory system that transport blood throughout the human body. These vessels transport blood cells, nutrients, and oxygen to the tissues of the body. They also take waste and carbon dioxide away from the tissues.
Anatomy of the heart
The heart contains four chambers - two upper chambers called atria and two lower chambers called ventricles. The atria receive blood from veins into the heart while the thicker-walled ventricles pump blood out of the heart and into arteries. There are three types of circulation - systemic circulation pumps oxygenated blood from the left ventricle to the body, pulmonary circulation pumps deoxygenated blood from the right ventricle to the lungs, and hepatic portal circulation transports blood from the intestines to the liver. Valves between the chambers regulate blood flow through the heart.
Human Heart
The heart is a pumping organ located in the chest that continuously circulates blood through the body. It has four chambers - the two upper chambers are the atria and the two lower chambers are the ventricles. The septum separates the chambers and prevents mixing of oxygenated and deoxygenated blood. Blood flows from the right atrium to the right ventricle then to the lungs, returns oxygenated to the left atrium and left ventricle, then is pumped through the aorta to the rest of the body in a continuous cycle.
The Anatomy & Physiology of Cardiovascular system
This presentation is about Cardiovascular System. The anatomy & Physiology of cardiovascular system and some disease is include there.
Pulmonary & systemic circulation
The document summarizes pulmonary circulation and systemic circulation in the human body. It explains that humans have a two-circuit circulatory system, with one circuit for pulmonary circulation transporting deoxygenated blood from the heart to the lungs, and another for systemic circulation transporting oxygenated blood from the heart to the rest of the body. Pulmonary circulation transports deoxygenated blood from the vena cavae to the lungs for oxygenation, then back to the left side of the heart. Systemic circulation then carries the oxygenated blood from the left ventricle through the aorta and arteries to tissues throughout the body, and returns deoxygenated blood back to the right atrium through the vena cava
Bronchi
Bronchi are the passageways leading into the lungs from the trachea. The trachea divides into the left and right main bronchi at the level of the fifth thoracic vertebra. The main bronchi then branch further into lobar and segmental bronchi which divide into smaller bronchioles and distribute air into the lungs. The bronchi are surrounded by cartilaginous rings that contain smooth muscle to control the diameter during breathing.
Alveoli
Alveoli are tiny grape-like sacs in the lungs where gas exchange takes place. When the heart contracts, blood is pumped to the lungs where oxygen passes from the alveoli into the blood and carbon dioxide passes out of the blood into the alveoli. The now oxygenated blood returns to the heart. There are over 300 million alveoli in each lung that surround capillaries to efficiently exchange gases through their thin walls.
Anatomy & physiology of cardiovascular system
This document provides an overview of the anatomy and physiology of the cardiovascular system. It describes the location and structure of the heart, including its chambers and layers. It explains the circulation of blood through the heart, into the pulmonary circulation to oxygenate blood and into the systemic circulation to distribute oxygenated blood to the body. It details the coronary circulation which provides blood supply to the heart muscle.
Heart
The document describes the anatomy and structures of the heart. It discusses:
- The heart is surrounded by the pericardium, a double-walled sac that has an outer fibrous layer and inner serous layers separated by fluid.
- The heart has four chambers - two upper atria that receive blood and two lower ventricles that pump blood out. Blood flows through valves between the chambers.
- The heart wall has three layers - the outer epicardium, middle muscular myocardium, and inner endothelial endocardium.
- The heart is supplied by the right and left coronary arteries and drains into the coronary sinus vein.
- Nerves from the autonomic nervous system
The heart chambers
The document describes the structure and features of the heart chambers. It states that the heart is composed of 4 chambers - the right atrium, right ventricle, left atrium, and left ventricle. Blood enters the atria and is then pumped into the ventricles. From the left ventricle, blood passes into the aorta for systemic circulation, and from the right it enters the pulmonary circulation via the pulmonary arteries. Each chamber has distinct internal and external features and relations to other cardiac structures. The septa divide the atrial and ventricular chambers.
Heart Presentation
The human heart has four chambers - the right atrium, left atrium, right ventricle, and left ventricle. The arteries carry oxygenated blood away from the heart while the veins carry deoxygenated blood to the heart. The aorta is the largest artery and carries oxygenated blood from the left ventricle to the rest of the body. Pulmonary veins uniquely carry oxygenated blood from the lungs to the left atrium.
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The document summarizes key aspects of the cardiovascular system. It describes the heart as a hollow muscular organ with four chambers and two pumps. It also discusses the layers surrounding the heart, including the pericardium, as well as the heart's valves and conduction system which stimulate contraction. Finally, it briefly outlines factors that determine cardiac output such as preload, afterload and contractility.
Cardiovascular system
The cardiovascular system consists of arteries, capillaries and veins. Arteries carry oxygen-rich blood away from the heart to tissues. Capillaries allow for gas and nutrient exchange. Veins carry oxygen-depleted blood back to the heart. The pulmonary circuit carries deoxygenated blood to the lungs and oxygenated blood back to the heart. The systemic circuit pumps oxygenated blood to organs and deoxygenated blood back to the heart. Blood flow is driven by heart contractions and pressure differences between arteries, capillaries and veins.
Anatomy of cardiovascular system
The document provides an overview of heart anatomy including:
- The heart is located in the chest behind the sternum and is surrounded by membranes called pericardium.
- The heart walls contain three layers - epicardium, myocardium and endocardium.
- Blood enters the right atrium from the venae cavae and pulmonary veins into the left atrium. It then passes through valves into the ventricles.
- The left ventricle pumps blood into the aorta to supply the systemic circulation while the right ventricle pumps to the pulmonary artery to supply the lungs.
Cardiovascular System
The human heart heart length, width, and thickness are 12 cm, 8.5 cm, and 6 cm, respectively. In addition, the mean weight of the heart is 280-340 g in males and 230-280 g in females.
Circulatory system
The circulatory system transports blood, nutrients, gases, hormones, and waste products throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps blood through two main circuits - the pulmonary circuit, which carries deoxygenated blood to the lungs and returns oxygenated blood, and the systemic circuit, which pumps oxygenated blood to the entire body and returns deoxygenated blood back to the heart. The cardiovascular system is further divided into four chambers, two atria that receive blood and two ventricles that pump blood out of the heart. Blood contains red blood cells, white blood cells, platelets, and plasma and comes in four main blood groups - A, B, AB, and
Heart
The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
Anatomy of the Cardiovascular system
The cardiovascular system consists of the heart, blood vessels, and blood. The heart is a hollow muscular organ located in the chest that pumps blood through two circuits: systemic circulation and pulmonary circulation. It has four chambers - right and left atria and ventricles separated by valves. Blood vessels include arteries, which carry blood away from the heart, and veins, which carry blood back to the heart. The cardiovascular system also contains a conduction system that initiates and regulates the heartbeat, starting with the sinoatrial node. Blood vessels have three layers - tunica intima, media, and externa - that vary in thickness and composition between arteries and veins.
Anatomy Of The Heart
The heart is a hollow muscular organ responsible for pumping blood through the body. It is enclosed in a sac called the pericardium and located in the mediastinum cavity in the center of the chest. The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs, while the left side collects oxygenated blood from the lungs and pumps it out to the body. The heart's rhythm is controlled by electrical signals that cause the muscles to contract, originating from a pacemaker in the right atrium and traveling through conduction pathways.
THE CARDIOVASCULAR SYSTEM CHAPTER 4
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
Introduction of cardiovascular system
General Introduction of Cardiovascular System and Anatomy of Cardiovascular System.
In this slide, you will be able to find the general anatomy of the heart and Basic introduction of Cardiovascular Sstem
Human heart anatomy and physiology Part -1
The heart is the pump responsible for maintaining adequate circulation of oxygenated blood around the vascular network of the body. It is a four-chamber pump, with the right side receiving deoxygenated blood from the body at low presure and pumping it to the lungs (the pulmonary circulation) and the left side receiving oxygenated blood from the lungs and pumping it at high pressure around the body (the systemic circulation).
Respiratory system
The respiratory system allows for gas exchange of oxygen and carbon dioxide. Animals breathe in oxygen which is used to burn ATP and produce energy, expelling carbon dioxide as a byproduct. In humans, respiration occurs externally between the atmosphere and blood, and internally between the blood and body tissues through the process of inspiration and expiration using the lungs and alveoli which facilitate gas diffusion.
Common heart problems
The document reports on symptoms of heart conditions including chest pain, shortness of breath, palpitations, and lightheadedness. It discusses risk factors such as high blood pressure, smoking, obesity, and diabetes. Preventative measures are outlined like maintaining healthy cholesterol and blood sugar levels, not smoking, regular exercise, and a low-fat diet. Symptoms of heart failure involve breathlessness, swelling, fatigue, and irregular heartbeats. Potential causes of arrhythmias include underlying heart conditions, metabolic disorders, pregnancy, medications, smoking, stress, and excessive alcohol. Recommended treatments focus on diet, exercise, smoking cessation, stress reduction, and provided online resources for additional information.
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The document summarizes pulmonary circulation and systemic circulation in the human body. It explains that humans have a two-circuit circulatory system, with one circuit for pulmonary circulation transporting deoxygenated blood from the heart to the lungs, and another for systemic circulation transporting oxygenated blood from the heart to the rest of the body. Pulmonary circulation transports deoxygenated blood from the vena cavae to the lungs for oxygenation, then back to the left side of the heart. Systemic circulation then carries the oxygenated blood from the left ventricle through the aorta and arteries to tissues throughout the body, and returns deoxygenated blood back to the right atrium through the vena cava
Bronchi
Bronchi are the passageways leading into the lungs from the trachea. The trachea divides into the left and right main bronchi at the level of the fifth thoracic vertebra. The main bronchi then branch further into lobar and segmental bronchi which divide into smaller bronchioles and distribute air into the lungs. The bronchi are surrounded by cartilaginous rings that contain smooth muscle to control the diameter during breathing.
Alveoli
Alveoli are tiny grape-like sacs in the lungs where gas exchange takes place. When the heart contracts, blood is pumped to the lungs where oxygen passes from the alveoli into the blood and carbon dioxide passes out of the blood into the alveoli. The now oxygenated blood returns to the heart. There are over 300 million alveoli in each lung that surround capillaries to efficiently exchange gases through their thin walls.
Anatomy & physiology of cardiovascular system
This document provides an overview of the anatomy and physiology of the cardiovascular system. It describes the location and structure of the heart, including its chambers and layers. It explains the circulation of blood through the heart, into the pulmonary circulation to oxygenate blood and into the systemic circulation to distribute oxygenated blood to the body. It details the coronary circulation which provides blood supply to the heart muscle.
Heart
The document describes the anatomy and structures of the heart. It discusses:
- The heart is surrounded by the pericardium, a double-walled sac that has an outer fibrous layer and inner serous layers separated by fluid.
- The heart has four chambers - two upper atria that receive blood and two lower ventricles that pump blood out. Blood flows through valves between the chambers.
- The heart wall has three layers - the outer epicardium, middle muscular myocardium, and inner endothelial endocardium.
- The heart is supplied by the right and left coronary arteries and drains into the coronary sinus vein.
- Nerves from the autonomic nervous system
The heart chambers
The document describes the structure and features of the heart chambers. It states that the heart is composed of 4 chambers - the right atrium, right ventricle, left atrium, and left ventricle. Blood enters the atria and is then pumped into the ventricles. From the left ventricle, blood passes into the aorta for systemic circulation, and from the right it enters the pulmonary circulation via the pulmonary arteries. Each chamber has distinct internal and external features and relations to other cardiac structures. The septa divide the atrial and ventricular chambers.
Heart Presentation
The human heart has four chambers - the right atrium, left atrium, right ventricle, and left ventricle. The arteries carry oxygenated blood away from the heart while the veins carry deoxygenated blood to the heart. The aorta is the largest artery and carries oxygenated blood from the left ventricle to the rest of the body. Pulmonary veins uniquely carry oxygenated blood from the lungs to the left atrium.
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The Blood Vessels,
The Heart,
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The Vascular Pathways,
As per PCI syllabus,
Atherosclerosis,
Coronary bypass operation,
Heart Transplants and Artificial Hearts
Heart Anatomy and Physiology:Review
The document summarizes key aspects of the cardiovascular system. It describes the heart as a hollow muscular organ with four chambers and two pumps. It also discusses the layers surrounding the heart, including the pericardium, as well as the heart's valves and conduction system which stimulate contraction. Finally, it briefly outlines factors that determine cardiac output such as preload, afterload and contractility.
Cardiovascular system
The cardiovascular system consists of arteries, capillaries and veins. Arteries carry oxygen-rich blood away from the heart to tissues. Capillaries allow for gas and nutrient exchange. Veins carry oxygen-depleted blood back to the heart. The pulmonary circuit carries deoxygenated blood to the lungs and oxygenated blood back to the heart. The systemic circuit pumps oxygenated blood to organs and deoxygenated blood back to the heart. Blood flow is driven by heart contractions and pressure differences between arteries, capillaries and veins.
Anatomy of cardiovascular system
The document provides an overview of heart anatomy including:
- The heart is located in the chest behind the sternum and is surrounded by membranes called pericardium.
- The heart walls contain three layers - epicardium, myocardium and endocardium.
- Blood enters the right atrium from the venae cavae and pulmonary veins into the left atrium. It then passes through valves into the ventricles.
- The left ventricle pumps blood into the aorta to supply the systemic circulation while the right ventricle pumps to the pulmonary artery to supply the lungs.
Cardiovascular System
The human heart heart length, width, and thickness are 12 cm, 8.5 cm, and 6 cm, respectively. In addition, the mean weight of the heart is 280-340 g in males and 230-280 g in females.
Circulatory system
The circulatory system transports blood, nutrients, gases, hormones, and waste products throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps blood through two main circuits - the pulmonary circuit, which carries deoxygenated blood to the lungs and returns oxygenated blood, and the systemic circuit, which pumps oxygenated blood to the entire body and returns deoxygenated blood back to the heart. The cardiovascular system is further divided into four chambers, two atria that receive blood and two ventricles that pump blood out of the heart. Blood contains red blood cells, white blood cells, platelets, and plasma and comes in four main blood groups - A, B, AB, and
Heart
The document provides an overview of the anatomy and physiology of the heart. It discusses the location of the heart in the thoracic cavity. It describes the layers of the heart - epicardium, myocardium, and endocardium - and the functions of each layer. It outlines the four chambers of the heart and their roles in blood flow. It explains the cardiac cycle of diastole and systole. It provides details on the heart valves and conducting system. It concludes by listing and briefly defining several important heart conditions.
Anatomy of the Cardiovascular system
The cardiovascular system consists of the heart, blood vessels, and blood. The heart is a hollow muscular organ located in the chest that pumps blood through two circuits: systemic circulation and pulmonary circulation. It has four chambers - right and left atria and ventricles separated by valves. Blood vessels include arteries, which carry blood away from the heart, and veins, which carry blood back to the heart. The cardiovascular system also contains a conduction system that initiates and regulates the heartbeat, starting with the sinoatrial node. Blood vessels have three layers - tunica intima, media, and externa - that vary in thickness and composition between arteries and veins.
Anatomy Of The Heart
The heart is a hollow muscular organ responsible for pumping blood through the body. It is enclosed in a sac called the pericardium and located in the mediastinum cavity in the center of the chest. The right side of the heart collects deoxygenated blood from the body and pumps it to the lungs, while the left side collects oxygenated blood from the lungs and pumps it out to the body. The heart's rhythm is controlled by electrical signals that cause the muscles to contract, originating from a pacemaker in the right atrium and traveling through conduction pathways.
THE CARDIOVASCULAR SYSTEM CHAPTER 4
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
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General Introduction of Cardiovascular System and Anatomy of Cardiovascular System.
In this slide, you will be able to find the general anatomy of the heart and Basic introduction of Cardiovascular Sstem
Human heart anatomy and physiology Part -1
The heart is the pump responsible for maintaining adequate circulation of oxygenated blood around the vascular network of the body. It is a four-chamber pump, with the right side receiving deoxygenated blood from the body at low presure and pumping it to the lungs (the pulmonary circulation) and the left side receiving oxygenated blood from the lungs and pumping it at high pressure around the body (the systemic circulation).
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Common heart problems
The document reports on symptoms of heart conditions including chest pain, shortness of breath, palpitations, and lightheadedness. It discusses risk factors such as high blood pressure, smoking, obesity, and diabetes. Preventative measures are outlined like maintaining healthy cholesterol and blood sugar levels, not smoking, regular exercise, and a low-fat diet. Symptoms of heart failure involve breathlessness, swelling, fatigue, and irregular heartbeats. Potential causes of arrhythmias include underlying heart conditions, metabolic disorders, pregnancy, medications, smoking, stress, and excessive alcohol. Recommended treatments focus on diet, exercise, smoking cessation, stress reduction, and provided online resources for additional information.
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Pulmonary & systemic circulation
The document summarizes pulmonary circulation and systemic circulation in the human body. It explains that humans have a two-circuit circulatory system, with one circuit for pulmonary circulation transporting deoxygenated blood from the heart to the lungs, and another for systemic circulation transporting oxygenated blood from the heart to the rest of the body. Pulmonary circulation transports deoxygenated blood from the vena cavae to the lungs for oxygenation, then back to the left side of the heart. Systemic circulation then carries the oxygenated blood from the left ventricle through arteries and capillaries to tissues before returning deoxygenated blood to the right atrium via the vena cavae.
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Pulmonary & systemic circulation
The document summarizes pulmonary circulation and systemic circulation in the human body. It explains that humans have a two-circuit circulatory system, with one circuit for pulmonary circulation transporting deoxygenated blood from the heart to the lungs, and another for systemic circulation transporting oxygenated blood from the heart to the rest of the body. Pulmonary circulation transports deoxygenated blood from the vena cavae to the lungs for oxygenation, then back to the left side of the heart. Systemic circulation then carries oxygenated blood from the left ventricle through arteries and capillaries to tissues before returning deoxygenated blood to the right atrium via the vena cavae.
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Humans and other mammals have two-circuit circulatory systems: one circuit is for pulmonary
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The circulatory system transports blood, nutrients, gases, hormones, and waste products between tissues and organs of the body. It consists of the heart, blood vessels, and blood. The heart pumps blood through arteries, which branch into smaller vessels and capillaries that allow for gas and nutrient exchange with tissues. Veins then return deoxygenated blood back to the heart. The circulatory system exists in both open and closed forms, with closed systems being more efficient for transport.
Assignment on Circulation of blood
IT WILL BE HELPFUL FOR IRREGULAR STUDENTS LIKE ME. YOU MAY COPY AND PASTE IT.
The circulatory system is an organ system that permits blood and lymph circulation to transport nutrients, oxygen, carbon dioxide, hormones, blood cells, etc. to and from cells in the body to nourish it and help to fight diseases, stabilize body temperature and pH, and to maintain homeostasis.
This system may be seen strictly as a blood distribution network, but some consider the circulatory system as composed of the cardiovascular system, which distributes blood, and the lymphatic system, which returns excess filtered blood plasma from the interstitial fluid (between cells) as lymph. While humans, as well as other vertebrates, have a closed cardiovascular system (meaning that the blood never leaves the network of arteries, veins and capillaries), some invertebrate groups have an open cardiovascular system. The more primitive, diploblastic animal phyla lack circulatory systems. The lymphatic system, on the other hand, is an open system providing an accessory route for excess interstitial fluid to get returned to the blood.
Human Cardiovascular system
Human cardiovascular system, organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the blood is propelled by a muscular heart. Two circuits, the pulmonary and the systemic, consist of arterial, capillary, and venous components.
The primary function of the heart is to serve as a muscular pump propelling blood into and through vessels to and from all parts of the body. The arteries, which receive this blood at high pressure and velocity and conduct it throughout the body, have thick walls that are composed of elastic fibrous tissue and muscle cells. The arterial tree—the branching system of arteries—terminates in short, narrow, muscular vessels called arterioles, from which blood enters simple endothelial tubes (i.e., tubes formed of endothelial, or lining, cells) known as capillaries. These thin, microscopic capillaries are permeable to vital cellular nutrients and waste products that they receive and distribute. From the capillaries, the blood, now depleted of oxygen and burdened with waste products, moving more slowly and under low pressure, enters small vessels called venules that converge to form veins, ultimately guiding the blood on its way back to the heart.
Cardiovascular system
The document describes the key components and functioning of the cardiovascular or circulatory system. It discusses the heart, blood vessels including arteries, veins and capillaries, blood flow, and regulation of the cardiovascular system. It also briefly mentions some common cardiovascular disorders like atherosclerosis, heart attack, and stroke.
Cardiovascular system anatomy 1 salah nazar
The cardiovascular system consists of the heart and blood vessels. The heart has four chambers - two atria that receive blood and two ventricles that pump blood out. It is surrounded by membranes and has four valves that allow blood to flow in only one direction. The circulatory system is divided into pulmonary and systemic circulation. Pulmonary circulation transports deoxygenated blood to the lungs and oxygenated blood back to the heart. Systemic circulation then pumps oxygenated blood to the entire body through arteries and returns deoxygenated blood to the heart via veins.
Biology
The circulatory system consists of the heart, blood vessels, and blood. The heart pumps blood through arteries, veins, and capillaries to deliver oxygen and nutrients to tissues and organs throughout the body while also transporting waste products for removal. Deoxygenated blood returns to the heart through veins and is pumped to the lungs to receive oxygen before repeating the cycle. The circulatory system works with other body systems to regulate temperature, transport hormones and nutrients, and fight disease and infection.
circulatory system mammals.ppt
The circulatory system is comprised of the heart, blood vessels, and lymph vessels. The heart pumps blood through two circuits - pulmonary circulation carries deoxygenated blood to the lungs and systemic circulation distributes oxygenated blood to the entire body. Blood vessels include arteries, which carry blood away from the heart, capillaries, which enable exchange of nutrients and waste, and veins, which return blood to the heart. The lymphatic system drains excess fluid from tissues and produces immune cells.
Circulatory System Essay
The Cardiovascular System Essay
The Circulatory System
The Circulatory System Essay
Circulatory System Essay
The Circulatory System Essays
Circulatory System
The Circulatory System
The Circulatory System
The Cardiovascular System Essay
A red blood cell enters the right atrium from the superior vena cava..pdf
A red blood cell enters the right atrium from the superior vena cava. In order, list ALL the
structures it passes through to reach the right coronary artery. Be sure to include ALL the
chambers of the heart, and the valves of the heart that it passes through. A red blood cell enters
the celiac trunk from the aorta. In order, list ALL the structures it passes through to reach the
right carotid artery. Be sure to include ALL the chambers of the heart, and the valves of the heart
that it passes through.
Solution
Q.No 1
Heart contains four chambers, two atria and a couple of ventricles. The blood that is definitely
returned to the right atrium is deoxygenated and s passed into the right ventricle to be pumped
through the pulmonary artery to the lungs for reoxygenation and elimination of carbon dioxide.
The left atrium receives newly oxygenated blood through the lungs with the pulmonary veins,
that may be passed throughout the strong left ventricle to be pumped through the aorta to the
various organs of one\'s body.
Superior Vena Cava
The superior vena cava is one of these two main veins bringing de-oxygenated blood from the
entire body to heart. Veins through the head and upper body feed into the superior vena cava,
which empties into the right atrium of the heart.
Inferior Vena Cava
The inferior vena cava is one of these two main veins bringing de-oxygenated blood from the
entire body to heart. Veins through the legs reducing torso feed into the inferior vena cava, which
empties into the right atrium of the heart.
Aorta
The aorta is the main single circulatory around the body. It is around the diameter from your
thumb. This vessel carries oxygen-rich blood from the left ventricle to different parts of one\'s
body.
Pulmonary Artery
The pulmonary artery is the vessel transporting de-oxygenated blood from the right ventricle to
the lungs. Perhaps the most common misconception is all arteries carry oxygen-rich blood. It
really is appropriate to classify arteries as vessels carrying blood away from the heart.
Pulmonary Vein
The pulmonary vein is the vessel transporting oxygen-rich blood through the lungs to the left
atrium. Perhaps the most common misconception is all veins carry de-oxygenated blood. It really
is appropriate to classify veins as vessels carrying blood to heart.
Papillary Muscles
The papillary muscles attach to the reduced percentage of the interior wall of one\'s ventricles.
They connect with the chordae tendineae, which attach to the tricuspid valve in the right
ventricle and the mitral valve around the left ventricle. The contraction of the papillary muscles
closes these valves. When the papillary muscles relax, the valves open.
Chordae Tendineae
The chordae tendineae are tendons linking the papillary muscles to the tricuspid valve in the
right ventricle and the mitral valve around the left ventricle. As the papillary muscles contract
and relax, the chordae tendineae transmit the resulting increase and reduce in tension to
respecti.
Circulatory-System-STEM.ppt
The cardiovascular system consists of a network of vessels that circulate blood throughout the body, powered by the heart. The document traces the flow of blood through the pulmonary and systemic circulations. It describes how deoxygenated blood enters the heart through the vena cavas and is pumped to the lungs for oxygenation before entering the left side of the heart and being pumped through arteries throughout the body, where it exchanges gases and nutrients in the capillaries before returning to the heart through veins.
The Circulatory System Essay
The circulatory system transports blood throughout the body via arteries, capillaries and veins. The heart has four chambers - two atria and two ventricles - with the right side pumping deoxygenated blood to the lungs and left side pumping oxygenated blood to the body. Blood circulates through a closed loop, completing its circuit approximately every 30 seconds as it delivers oxygen and nutrients to tissues and removes waste.
Cardiovascular system
The circulatory system, also known as the cardiovascular system, moves substances to and from cells and helps regulate body temperature and pH. It consists of the heart, blood, and blood vessels. The heart begins beating around 21 days after conception at a rate near the mother's, which then accelerates over the first month. Blood vessels include arteries, which carry blood away from the heart, veins, which carry blood toward the heart, and capillaries, which connect arterioles and venules and closely interact with tissues. Deoxygenated blood returns to the heart through the superior and inferior vena cavae and is pumped through the pulmonary and systemic circuits to be oxygenated in the lungs before being distributed to the body
science module
The document describes the four main types of circulatory systems in the human body:
1) Systemic circulation carries oxygenated blood from the left side of the heart to tissues throughout the body and returns deoxygenated blood back to the right side of the heart.
2) Pulmonary circulation carries deoxygenated blood from the right side of the heart to the lungs where it receives oxygen and returns it to the left side of the heart.
3) Portal circulation is a part of systemic circulation where blood passes through two sets of capillaries before draining into a systemic vein.
4) Coronary circulation provides blood flow to nourish the heart muscle itself.
Describe the difference between a. The pulmonary and systemic circula.pdf
Describe the difference between a. The pulmonary and systemic circulation b. An artery and a
vein c. An atrium and a ventricle
Solution
a. Pulmonary and systemic circulation
The cardiovascular system comprise of two circulatory pathsways namely pulmonary and
sytemic circulation.The pulmonary circulation circuits through the lungs carrying the oxygenated
blood whereas the systemic circulation circuit through the rest of the body to provide oxygenated
blood to various body parts.
In the pulmonary circulation, blood travels through capillaries on the alveoli, air sacs in the lungs
allowing the gas exchange. Here, as blood flows, the size of the vessel decreases from artery to
arteriole, from vein to venuleand finally to capillaries,which serve as vessels for gas and nutrient
exchange.In the systemic circulation,the movement of blood takes place from the heart through
the body providing oxygen and nutrients to the tissues of the body while bringing back the
deoxygenated to the heart. Systemic and pulmonary circulation transition to the opposite to each
other. Systemic circulation is a much larger and higher pressure system than pulmonary
circulation.
Thus systemic circulation is the larger path that blood takes on, routing oxygenated blood around
the tissues of the body and deoxygenated blood from them back to the heart , while pulmonary
circulation is the smaller loop that blood takes in the lungs.
b. An artery and a Vein
Blood is circulated in the body through arteries, veins and capillaries in a closed circulatory
system.
All blood vessels leading from heart carrying oxygenated blood (except pulmonary artery) to
various organs of the body are called as arteries.
Whereas, vessels which carry deoxygenated blood (except pulmonary vein) from various organs
of the body to the heart are called as veins.
Arteries have thick elastic muscular walls and valves are absent, whereas, Veins have thin non-
elastic valves and valves are present to prevent bacl flow of blood.
c. An atrium and a Ventricle
There are 4 chambers in the heart; the atria refer to the upper chambers while the ventricles refer
to the lower chambers.
Atria (atrium) refers to the upper chambers of the heart that receive the impure blood from the
veins to send it to the ventricles.
Ventricles are small cavities or chambers that are present within the left chamber of the heart that
accepts blood from the arteries (left atrium) and then contracts to force into the aorta. Both right
and the left part of our heart has an atrium and one ventricle.
The walls of the ventricles are thicker, while that of the atria are thinner. They ventricles contain
valves to pump the blood in and out of the heart..
circulation of blood.pptx
This document describes the four types of circulation in the human body: coronary circulation, which supplies blood to the heart; systemic or general circulation, which transports blood from the heart to all body tissues before returning it to the heart; pulmonary circulation, which carries deoxygenated blood from the heart to the lungs to receive oxygen; and portal circulation, which carries blood from the digestive organs to the liver. It provides details on the pathways and vessels involved in each type of circulation.
The circulatoy sistem
The circulatory system consists of the heart and blood vessels. [1] The heart has four chambers that pump blood in two separate cycles. [2] In the systemic cycle, oxygen-rich blood is pumped from the left side of the heart through arteries to the body and returns via veins. [3] The pulmonary cycle pumps deoxygenated blood from the right side of the heart through arteries to the lungs to receive oxygen and returns via veins, completing the circulation.
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A red blood cell enters the right common iliac artery. In order, list.pdf
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