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17 Cards in this Set
- Front
- Back
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The Atrium
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Thin-walled and elastic and stretches as it collects blood. It only has to pump the short distance to the Ventricle therefore has only a thin muscular wall. Top part of the heart
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The Ventricle
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Has a much thicker muscular wall as it has to pump the blood some distance, either to the lungs or rest of the body.
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Bicuspid Valves
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Left atrioventricular valves formed of two cup-shaped flaps on the left side of the heart
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Tricuspid Valves
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Right atrioventricular valves formed of three cup-shaped flaps on the right side of the heart
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The Aorta
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Connected to the left ventricle and carries oxygenated blood to all parts of the body except the lungs
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The Vena Cava
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Connected to the right atrium and brings deoxygenated blood back from the tissues of the body
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The Pulmonary Arteries
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Connected to the right ventricle and carries deoxygenated blood to the lungs, where its oxygen is replenished and its carbon dioxide is removed. unusually for an artery, it carries deoxygenated blood
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The Pulmonary Veins
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Connected to the left atrium and brings oxygenated blood back from the lungs. Unusually for a vein, it carries oxygenated blood.
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Coronary Arteries
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Arteries that supply blood to the cardiac muscle of the heart
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Myocardial Infarction
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Heart Attack
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Atrioventricular Valves
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Between the left atrium and ventricle and the right atrium and ventricle. Prevent backflow of blood
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Semi-lunar Valves
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In the aorta and pulmonary artery. Prevent backflow into the ventricles.
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Pocket Valves
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In the veins. Occur throughout the venous system. Ensure when veins are squeezed blood flows back to the heart.
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Cardiac output =
(equation) |
heart rate x stroke volume
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Atheroma
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Fatty deposits within the wall of an artery. Reduces lumen therefore constricts blood flow
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Thrombosis
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If an antheroma breaks through the lining of the blood vessel, and forms a rough surface that itterupts the optherwise smooth flow of blood. creates blood clot
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Aneurysm
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Atheromas that lead to the formation of thrombus weaken the artery walls. Weakened poins swell to form a balloon-like, blood filled structure which eventually burst .. A brain aneurysm is known as a stroke.
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