Blood cells & Cardiovascular system
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This document discusses blood cells, the cardiovascular system, and different types of hearts. It explains that blood is composed of erythrocytes, leukocytes, and platelets that transport oxygen, nutrients, waste products, and help maintain homeostasis. The cardiovascular system circulates blood throughout the body to supply tissues with oxygen and nutrients while removing carbon dioxide and waste. Fish have a two-chambered heart with single circulation, while reptiles have a three-chambered heart and some blood mixing. Humans have a four-chambered heart that fully separates oxygenated and deoxygenated blood with double circulation.
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The document compares the heart structures of fish, reptiles, and mammals. Fish hearts have two chambers, one atrium and one ventricle, with no separation of oxygenated and deoxygenated blood. Reptile hearts have three chambers with two atria and one partially divided ventricle, allowing some separation of blood. Mammal hearts, including human hearts, have four chambers with complete separation of oxygenated and deoxygenated blood flow between two atria and two ventricles. The functions of red blood cells, white blood cells, and platelets are also summarized.
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The document summarizes the structure and function of the heart in fish, reptiles, and humans. All hearts have at least two chambers - an atrium and ventricle. Fish hearts are the least efficient with single circulation and blood passing through only once. Reptile hearts are more efficient with double circulation but an incomplete septum allowing blood mixing. Human hearts are the most efficient with complete septation and double circulation allowing blood to pass through twice. The overall function of the heart is to pump oxygen-rich blood to all cells of the body.
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The document discusses the structure and function of hearts in humans, reptiles, and fish. It describes that the human heart has four chambers consisting of two atria and two ventricles separated by a septum. Reptiles typically have a three-chambered heart with two atria and one partially divided ventricle, except for crocodiles which have a four-chambered heart like mammals and birds. Fish have the simplest heart consisting of only two chambers, one atrium and one ventricle, without a septum.
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source:<a>bd tips tech</a> the best bangla tech site http://www.bdtipstech.com
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I am rajan an school teacher by profession with post graduation in English,psychology,economics and post graduate diploma in teaching English have been working in a school for 25 years,a remote village in kerala I came in this field not by chance as many in our
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The circulatory system transports food, oxygen, carbon dioxide, and waste throughout the body via blood flowing through blood vessels. Blood is pumped from the heart through arteries and returns to the heart via veins, with the smallest blood vessels being capillaries. The heart has four chambers that cycle blood receiving oxygen from the lungs and pumping it out to the entire body. Unhealthy eating and lack of exercise can increase risks of heart problems like heart attacks by clogging arteries.
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1) The circulatory system, also called the cardiovascular system, consists of the heart, blood vessels, and blood, and circulates blood throughout the body.
2) The heart pumps blood through two circuits - the pulmonary circulation to the lungs and systemic circulation to the rest of the body.
3) There are three types of blood vessels - arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart while veins carry deoxygenated blood back to the heart. Capillaries allow for the exchange of water, waste and nutrients between blood and body tissues.
HUMAN CIRCULATORY SYSTEM CHAPTER 8 - CBSE BIOLOGY CLASS-VII
* Circulatory System: This system is concerned with the circulation of body fluids to distribute various substances to various body parts. The circulatory system is also known as the cardiovascular system.
Powerpoint Presentation by Aswathy AR
The circulatory system transports blood throughout the body via circulation. Blood carries oxygen, nutrients, hormones and waste products as it circulates from the heart through arteries and veins. The human circulatory system uses double circulation, where blood is pumped from the heart to the lungs to become oxygenated, then to tissues throughout the body, and back to the heart. This double circulation allows for gas and nutrient exchange to occur efficiently between the blood and body tissues.
Doc 20170830-wa0020
The circulatory system has two circuits: the pulmonary circuit and the systemic circuit. The pulmonary circuit pumps deoxygenated blood to the lungs and oxygenated blood back to the heart. The systemic circuit pumps oxygenated blood to the body cells and deoxygenated blood back to the heart. Capillaries connect arteries and veins and are responsible for exchanging substances between blood and tissue fluid. Arteries transport oxygenated blood away from the heart while veins transport deoxygenated blood toward the heart. The human heart has four chambers with two atria receiving blood and two ventricles pumping blood through the pulmonary and systemic circuits.
Cardiovascular System
The cardiovascular system transports oxygen, nutrients, and waste throughout the body using the heart, blood vessels, and blood. The heart pumps blood through a closed system of arteries, capillaries, and veins. In the lungs, oxygen passes from the alveoli into the blood and is circulated throughout the body by the cardiovascular system before returning to the heart. The cardiovascular system helps distribute substances, regulate pH and temperature, and protects the body from pathogens.
Human systems
The circulatory system consists of the heart, blood vessels, and blood. The heart pumps oxygen-rich blood throughout the body via arteries and returns deoxygenated blood to the lungs via veins to become reoxygenated. The circulatory system transports nutrients, gases, hormones, blood cells, and wastes. It plays a key role in respiration, nutrition, and waste removal. Main components include the heart, blood vessels (arteries, veins, capillaries), and blood (plasma and blood cells).
Hemodynamics lect notes (1)
The circulatory system transports nutrients, oxygen, hormones, blood cells, and removes waste through the cardiovascular and lymphatic systems. Blood circulates through arteries and veins, carrying oxygen to tissues and waste away. Lymph circulates through lymph vessels, returning excess fluid to blood. The cardiovascular system comprises the heart and blood vessels. The heart pumps blood which circulates through two loops - pulmonary circulation to the lungs and systemic circulation to the body. Hemodynamics is the study of blood flow and factors influencing circulation like blood pressure, volume, and vessel resistance.
Circulatory system mine for 3rd
The circulatory system transports blood throughout the body via the heart and blood vessels. The blood contains red blood cells, white blood cells, platelets and plasma. It carries oxygen, nutrients, hormones and waste products. The heart has four chambers that pump blood in two circuits - the pulmonary circulation and the systemic circulation. Deoxygenated blood is pumped from the heart to the lungs and returns oxygenated. It is then pumped through arteries, capillaries and veins to deliver oxygen and nutrients to tissues and remove carbon dioxide and other wastes.
Hemodynamics lect notes
The circulatory system transports blood, nutrients, oxygen, hormones, and other materials throughout the body. It consists of the cardiovascular system, which circulates blood, and the lymphatic system, which circulates lymph. Blood is pumped from the heart through arteries and returns to the heart through veins. The lymphatic system returns filtered blood plasma from tissues as lymph. Hemodynamics refers to the study of blood flow and circulation. Key factors that influence blood flow include blood pressure, vessel diameter, blood viscosity, and respiration.
Blood circulatory system
The circulatory system, consisting of the heart, blood vessels and blood, circulates blood throughout the body to supply nutrients and oxygen to tissues and remove waste. The heart pumps blood in two circuits - pulmonary circulation between the heart and lungs, and systemic circulation between the heart and the rest of the body. Blood contains red blood cells, white blood cells, platelets and plasma in a fluid connective tissue that transports substances to tissues and removes waste. Common diseases of the circulatory system include high blood pressure.
Esaimen animal fisiology news
The document discusses the structure and function of blood cells and the heart. It notes that blood is made up of plasma and several types of cells, including red blood cells, white blood cells, and platelets. Red blood cells contain hemoglobin and transport oxygen and carbon dioxide. White blood cells help defend the body against infection and foreign materials. Platelets play a role in blood clotting. The document also compares the structure of hearts in fish, reptiles, and humans, noting differences like the number of chambers and whether blood is fully oxygenated.
Circusystem
The circulatory system transports nutrients, gases, hormones, blood cells, and other substances to and from cells in the body. It consists of the cardiovascular system, which circulates blood, and the lymphatic system, which circulates lymph. The cardiovascular system includes the heart, blood, and blood vessels. It has two circuits: pulmonary circulation through the lungs, and systemic circulation through the rest of the body. The lymphatic system transports excess fluid filtered from blood and returns it to the bloodstream.
Comparative anatomy circulatory system
This document provides information about the cardiovascular systems of humans, ruminants, birds, and fish. It describes the key components of the cardiovascular system including the heart, blood vessels, and blood. For each species, it highlights some distinguishing features of their circulatory system, such as birds having a more efficient 4-chambered heart than other vertebrates and fish having the simplest heart with only two chambers. The document also provides typical heart rate ranges for different species.
Human circulatory system
The circulatory system transports nutrients, gases, hormones, blood cells, and other substances to and from cells in the body. It consists of the heart, blood vessels, and blood. The heart pumps blood through two circuits: the pulmonary circuit, which carries deoxygenated blood to the lungs for oxygenation, and the systemic circuit, which carries oxygenated blood to the body's tissues before returning deoxygenated blood back to the heart. Blood contains red blood cells, white blood cells, platelets, and plasma. Red blood cells contain hemoglobin and carry oxygen. White blood cells are part of the immune system. Platelets help blood clotting. The circulatory system allows for gas, nutrient, and waste
BLOOD CIRCULATION
The human circulatory system consists of the heart, blood vessels, and blood. The heart is a muscular organ located in the chest that pumps blood through the entire body using the blood vessels. It has four chambers - the right and left atria receive blood while the right and left ventricles pump blood out of the heart. The heart pumps deoxygenated blood to the lungs and oxygenated blood to the rest of the body. Maintaining a healthy heart is important to prevent diseases like heart attacks and strokes.
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.
Blog circulatory system
It explains how the circulatory system works and its parts. Also, you will find further information about blood types and compatibility of blood.
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HUMAN CIRCULATORY SYSTEM CHAPTER 8 - CBSE BIOLOGY CLASS-VII
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Blood cells & Cardiovascular system
- 1. BLOOD CELLS & CARDIOVASCULAR SYSTEM NURUL WASHIFA BINTI RUZLAN 116712
- 2. BLOOD CELLS( HEMOCYTES ) Components of blood Blood is a mixture of cellular components suspended in plasma: - Erythrocytes (RBCs) - Leukocytes (WBCs) - Thrombocytes (platelets)
- 3. Functions Transports: -Nutrients organisms -Electrolytes -Waste products -Hormones -O2 & CO2 Maintains Defense: -Foreign -Injury/infection -Clotting process -Body temperature Homeostasis
- 5. THE CARDIOVASCULAR SYSTEM The heart is the pump that drives the cardiovascular system. By circulating blood throughout the body, the cardiovascular system functions to supply the tissues with oxygen and nutrients, while removing carbon dioxide and other metabolic wastes.
- 6. As oxygen-rich blood from the heart flows to the tissues of the body, oxygen and other chemicals move out of the blood and into the fluid surrounding the cells of the body's tissues. Waste products and carbon dioxide move into the blood to be carried away. As blood circulates through organs such as the liver and kidneys some of these waste products are removed.
- 7. Blood then returns to the lungs (or gills, in the case of fish), receives a fresh dose of oxygen and gives off carbon dioxide. Then the cycle repeats itself. This process of circulation is necessary for continued life of the cells, tissues, and ultimately the whole organism.
- 8. TYPES OF HEARTS Fish heart
- 10. Human heart
- 11. FISH REPTILE HUMAN SIMILARITIES Have two different types of heart chambers, atrium and ventricle. Responsible for providing each cell of the body with the oxygen and nutrients it needs, while removing waste products. DIFFERENCES 1. Two-chambered heart consists of one atrium and one ventricle. Rich and poor oxygen-blood mixed together. 1. 3. Blood is pumped from the heart to the gills and to the rest of the body. 3. 4. Single circulation. 4. 2. 2. Three-chambered heart consists 1. of two atria and one ventricle. Some blood mixing but usually 2. blood flowing into two areas, half the blood going to the lungs and the other half into the body. Blood is pumped to the lungs for 3. gas exchange, returns to the heart and is pumped to the body. Double circulation. 4. Four-chambered heart consists of two atria and two ventricles. Rich and poor oxygen blood separated where some are going to the lungs while the other is going into the body. Blood is collected from the body, pumped to the lungs to pick up oxygen, returns to the heart, then is pumped to rest of the body, Double circulation.