The Heart See!
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The document summarizes key information about the heart. It describes the heart's location in the body and its role in the circulatory system. It then explains the anatomy of the heart including the four chambers and flow of oxygenated and deoxygenated blood. It also outlines how the heart works as a pump to circulate blood through the body and lungs. Finally, it briefly discusses some common heart diseases and provides some fun facts about the heart.
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The circulatory system is made up of the heart and blood vessels. The heart is a muscular organ about the size of a fist located slightly left of the breastbone. It pumps blood through blood vessels including arteries, veins, and capillaries. The heart has four chambers - two upper chambers called atria that receive blood and two lower chambers called ventricles that pump blood out of the heart. It contracts in a cardiac cycle where the atria and ventricles contract simultaneously to circulate blood throughout the body.
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The cardiovascular system consists of the heart, blood vessels, and blood. The heart pumps blood through the blood vessels, which act as pathways that carry blood throughout the body. Arteries carry oxygenated blood away from the heart while veins carry deoxygenated blood back to the heart. Capillaries connect the arteries and veins and facilitate the exchange of oxygen and nutrients to cells and waste from cells. The cardiovascular system works closely with the respiratory system to supply oxygen and remove carbon dioxide from the body.
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The document summarizes the human circulatory system. It describes how unoxygenated blood enters the right atrium of the heart from the body, passes to the right ventricle, and is then pumped via the pulmonary arteries to the lungs where it receives oxygen. The oxygenated blood returns to the left atrium via the pulmonary veins and is then pumped by the left ventricle through the aorta to the body tissues, where oxygen is delivered and carbon dioxide picked up, before returning again to the right atrium to restart the cycle. The blood also transports nutrients, wastes, hormones and antibodies around the body simultaneously.
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The document discusses the human cardiovascular system. It begins by describing the anatomy of the heart, including its size and location in the chest. It then discusses the four chambers of the heart and the layers surrounding it. Next, it summarizes the three main functions of the cardiovascular system: transportation of materials, protection from pathogens, and regulation of homeostasis. It provides examples for each function. The document then discusses the layers of the heart wall, heart chambers, heart valves, blood vessels including arteries, capillaries and veins, blood flow through the heart, the conduction system, heart sounds, heart rhythm including normal rhythm and arrhythmias, and blood pressure.
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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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The cardiovascular system consists of the heart, blood vessels, and blood. The heart pumps blood through a closed circulatory system of arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart while veins carry deoxygenated blood back to the heart. Blood functions include transporting oxygen and carbon dioxide, fighting infection, clotting, maintaining blood pressure, and regulating temperature. The path of blood flow is from the vena cava to the right side of the heart, then to the lungs to receive oxygen, and from the lungs to the left side of the heart and out to the body via the aorta before returning to the heart. Common cardiovascular problems include atherosclerosis, hypertension,
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AshleyI’ve always been interested in what happens to the body.docx
Ashley
I’ve always been interested in what happens to the body/heart when someone has a stroke. I never really understood why it was always just one side of the body and how and why it affected one’s speech and movement. So, my question is, what happens during a stroke?
A lot of what happens during a stroke is related to the nervous system, but the causes of a stroke are from the lack of blood supply to the brain. The lack of blood supply can be caused by a few different reasons; blood clot in an artery of the brain or rupture of a blood vessel in the brain, also called a cerebral hemorrhage. (The Macmillian Encylopedia, 2003) Because of the lack of blood/oxygen, portions of the brain start to die which causes paralysis and sometimes death. (Mader, 2015) Some of the signs someone is having a stroke is slurred speech, one side of the face is droppy, numbness or temporary blindness. (Mader, 2015) The reason that someone may get a blood clot or rupture a blood vessel is because of hypertension (high blood pressure) and other diseases related to the heart valves that is left untreated. High blood pressure is very much so preventable by taking care of yourself. Eating right, exercising and keeping stress levels down. Our textbook states that almost one in five young adults have high blood pressure. (Mader, 2015)
The recovery of a stroke victim is usually good. Most have to go through therapy to regain any function lost but that is minute to what it could’ve been. You could say that a stroke is preventable; maintain a healthy lifestyle to prevent hypertension (high blood pressure) which in turn will prevent strokes. A healthy heart = a healthy life!
Cassie
After reading about the cardiovascular system this week I found many interesting facts. One interesting topic that caught my attention was what the heart specifically does. Each side of the heart has a job and responsibility when it comes to pumping blood. What does each side of the heart specifically do?
The heart has two sides, separated by an inner wall called the septum.(Institute 2011)
The right side of the heart pumps blood to the lungs. Blood is carried away from the heart through arteries. When the blood arrives at the lungs it then receives oxygen. The oxygenated blood is then pumped back to the heart where the left side distributes it to the rest of the body. Blood that comes back to the heart is carried through veins.
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The pulmonary artery carries blood from the right side of the heart to the lungs to pick up a fresh supply of oxygen. (Institute 2011)
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The pulmonary veins carry oxygen-rich blood from the lungs to the left side of the heart so it can be pumped to the body. (Institute 2011)
Finding information in regards to the heart and how each side functions was pretty easy. The APUS library had several different articles in the database. Also, for other sources I made sure to look for certified sources ending in .gov or .net.
James
I chose to discuss the card.
Your heart
The heart is a muscle about the size of a fist located in the center of the chest. It acts as two pumps that circulate blood through two circuits - the pulmonary circuit which sends blood to the lungs to receive oxygen and the systemic circuit which pumps oxygenated blood to the entire body. The heart has four chambers - two upper atria that receive blood and two lower ventricles that pump blood out of the heart. It beats over 100,000 times per day, circulating blood through 60,000 miles of blood vessels to deliver oxygen and nutrients to all cells. Maintaining a healthy heart requires regular exercise, a nutritious diet low in unhealthy fats, and avoiding smoking.
Circulatory System Group 8.pptx
The document discusses the cardiovascular system and its key parts and functions. It begins by defining the cardiovascular system and its role in circulating blood and transporting nutrients throughout the body. It then describes the main components of the cardiovascular system - blood, blood vessels (arteries, veins, capillaries), and the heart. It provides details on the structure and functions of these components. The document also discusses other related body systems like the respiratory system and lungs. It concludes by presenting tips to take care of cardiovascular health and facts about diseases of the circulatory system like heart attacks and strokes.
our-group-presentation-about-earth_and_life-science.pptx
The circulatory system, also called the cardiovascular system, circulates blood throughout the body. The heart pumps oxygenated blood received from the lungs through arteries and the deoxygenated blood returns to the heart through veins. The circulatory system provides nutrients and oxygen to tissues and organs and removes waste. It has three main circuits - pulmonary, systemic and coronary. The main components are the heart, blood vessels including arteries, veins and capillaries, and blood. Common conditions that can affect the circulatory system include aneurysms, high blood pressure, plaque deposits and venous diseases.
The Heart Lab Report
This document summarizes a lab experiment where students observed how heart rate and rhythm change when a person is relaxed, seated, and after exercising. It describes the basic anatomy of the heart, including its location in the chest and its division into two circuits - the pulmonary circuit which carries blood to and from the lungs, and the systemic circuit which carries blood to and from the rest of the body. It provides details on the flow of blood through the different chambers and valves of the heart in each circuit.
Structure Of A Heart
The heart is a four-chambered muscular organ that pumps blood through the body using rhythmic contractions. It has four chambers - the right and left atria which collect blood, and the right and left ventricles which pump blood out of the heart. The heart beats between 60-80 times per minute, pumping deoxygenated blood to the lungs and oxygenated blood to the rest of the body. Valves between the chambers allow blood to flow in only one direction to prevent mixing of oxygenated and deoxygenated blood.
Circulatory system
The circulatory system is made up of the heart, blood, and blood vessels. The heart pumps blood through the body via arteries and returns it via veins. The blood delivers oxygen and nutrients throughout the body and picks up waste. The heart has four chambers - two upper atria and two lower ventricles - that work together to pump blood through two circuits, one for the lungs and one for the body. Oxygen-poor 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 throughout the body.
The Heart And Blood Circulation Essay
The human heart is a four-chambered muscular pump that beats around 100,000 times per day, pumping around 2,000 gallons of blood through 100,000 miles of blood vessels. It has two sides - the left ventricle and right ventricle - with the left side working harder to pump blood to the body. Blood circulates from the heart to the lungs to become oxygenated, then back to the left atrium and ventricle before being pumped throughout the body in a double circulation process. The heart relies on electrical signals to contract and relax in its pumping cycle.
Core 3 Part 2
The cardiovascular system transports oxygen and nutrients to tissues and removes carbon dioxide and waste. It includes the heart, blood vessels, blood, and lymph. The heart pumps blood through two circuits - pulmonary circulation to the lungs and systemic circulation to the body. Blood transports oxygen, nutrients, hormones and more via plasma while white and red blood cells help fight infection and carry oxygen respectively. Respiration provides oxygen for cellular respiration through the lungs where gas exchange occurs in alveoli surrounded by capillaries.
Coronary Artery Disease Sec 3
The document summarizes coronary artery disease and how it relates to the structure and function of the heart. It describes how blood flows through the heart chambers and vessels, how blockages can occur, and conditions like angina and heart attack that can result. It provides information on diagnosing and treating coronary artery disease.
Anatomy of Human Heart
Welcome to "Anatomy of the Heart," an enlightening presentation that takes you on a captivating journey through the intricate structure of the human heart.
Sheep Heart CirculatoryRespiratory Dissection Lab Sheep .pdf
Sheep Heart:
Circulatory/Respiratory Dissection Lab - Sheep Heart Circulatory and Respiratory systems are
critical adaptations that allow animals to 1) take in oxygen from the external environment to make
energy in cell respiration, 2) to get rid of carbon dioxide waste produced in cell respiration, and 3)
cycle nutrients throughout the body for use by the cells. The respiratory system allows animals to
do gas exchange, moving oxygen from the external environment into the blood and CO2 from the
blood into the external environment. The circulatory system pumps the blood throughout the body
to move oxygen, CO2, and nutrients to their final destinations. There are two types of circulatory
systems in animals: closed and open. Both types have at least one pump (i.e. heart) to push the
circulatory fluid throughout the body. In closed systems, the blood is ALWAYS contained within
blood vessels, while in open systems, the fluid -- called Ifinph -- is pumped into open sinuses
instead of blood vessels. Humans have a CLOSED circulatory system, so we will focus on that
model today. Sheep Sheep are vertebrate chordate mammals like humans, so their circulatory
anatomy is almost identical to ours. They have a 4-chambered heart and blood vessels that
contain blood.Heart Diagram - External The sheep heart has 4 chambers -- a left and right atrium
on top (the external surface of the atria is called an auricle), and a left and right ventricle on
bottom. Note that whenever we refer to anatomical positions, we refer to left and right from the
position of the organism we're looking at. So the "right" is on our left, and vice versa. You can see
the pulmonary trunk/artery in blue on top of the heart, and the aorta in red. These two arteries
carry blood away from the heart after it has been pumped out of the ventricles. The pulmonary
veins and vena cava return blood to the atria. The cells of the heart are fed oxygen via blood in the
coronary arteries, which are visible on the surface of the heart. Blockage of these arteries starves
the heart of oxygen, resulting in a heart attack.The basic layout of the mammalian heart. Find the
four chambers of the heart: the left and right atria on top, and the left and right ventricles on
bottom. Remember that the heart's purpose is to pump blood throughout the body. Which
chambers of the heart beat first? Notice the valves separating them. Which valve is on the right
side of the heart? The left? What is the purpose of these valves? Do you see any other valves in
the heart?.
PowerPoint presentation on Cardiovascular System-1.pptx
The cardiovascular system consists of the heart, blood vessels, and blood, and its primary function is to transport nutrients and oxygen-rich blood throughout the body. The heart pumps blood through a closed loop of arteries, capillaries, and veins, delivering oxygenated blood to tissues and returning deoxygenated blood to the lungs to be re-oxygenated. Key components of the cardiovascular system include the heart, which is a hollow muscular organ that acts as a force pump to circulate blood, and a network of blood vessels including arteries, veins, and capillaries.
The Circulatory System
The circulatory system moves blood throughout the body using the heart and blood vessels. The heart has four chambers and pumps blood, which carries oxygen and nutrients, between the lungs and body. Blood pressure measures the force of blood flow, and high blood pressure increases health risks like stroke and heart attack. Blood contains red blood cells, which carry oxygen, white blood cells for infection-fighting, and platelets for stopping bleeding.
The Human Heart
The heart is a muscular organ roughly the size of a fist located behind the breastbone. It pumps blood through the cardiovascular system. The heart has four chambers - two upper atria and two lower ventricles. The right side receives deoxygenated blood from the body and pumps it to the lungs, while the left side receives oxygenated blood from the lungs and pumps it back out to the body. Valves between the chambers prevent backflow of blood. When the heart contracts, these valves open and close in sequence to ensure blood flows in one direction through the entire circulatory system.
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