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22 Cards in this Set
- Front
- Back
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What is the function of the cardiovascular system?
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Transportation.
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What makes up the two divisions of the system?
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Heart, Blood Vessels
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List, from superficial to deep, the three layers of arteries and veins.
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T. adventitia, T. Media, T. Intima
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How do the arterial and venous systems differ?
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A - High pressure, away from heart
V - Low pressure, to heart |
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What special feature do veins have, and what are there functions?
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One way halves. They prevent blood from collecting in the extremities.
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What are aneurysms and varicose veins?
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A - Weak spots on arteries.
V - Distrended veins due to malfunction of valves. |
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Describe the structure of capillaries.
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Thin walls, ssq epithilium.
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What are vascular shunts, and their function?
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Blood vessels that connect arteries directly to venules, allow caps to be bypassed.
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What is the difference between systemic, pulmonary and coronary circularion?
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C - Myocardium
P - Lungs S - Everywhere else |
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Which chamber recieves systemic blood?
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Right atrium
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Which recieves pulmonary blood?
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Left Atrium
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Which chamber pumps blood to the lungs?
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Right ventricle.
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What is the function of the valves within the heart?
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Ensure one way flow.
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Name and locate the 2 A-V Valves.
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Tricuspid - Between right artery and right ventricle.
Bicuspid - Between left atrium and left ventricle. |
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Name and locate the 2 semilunars.
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Pul. semi - Exit of right ventricle.
Aortic semi - exit of left ventricle. |
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What causes the 2 separate sounds associated with the heart beat?
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First sound - AV closing
Second sound - Semis closing |
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Why do the coronary arteries recieve blood during ventricular relaxation?
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Origins of the coronary arteries covered by the flaps of the aortic semi during contraction.
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What is the only artery that carries deoxygenated blood?
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Pulmonary.
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What forms the pericardial cavity?
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Bibrous pericardium.
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What lines the pericardial cavity?
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Parietal pericardium.
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Which adheres directly to the heart?
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Visceral pericardium.
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Which line the inside of the heart?
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Indocardium.
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