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15 Cards in this Set
- Front
- Back
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heart has how many chambers
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4
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-right and left atria
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-2 superior, posterior chambers
-recieve blood returning to heart |
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Right and left ventricles
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2 inferior chambers
pump blood into arteries |
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between the chambers(in half)
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interventricular septum
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keeping valves from opening backwards
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tendinous chords
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ligamentum arteriosum
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tiny bypass pump for babies to pump more blood to systemic instead of lungs
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why thicker left side?
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because it has to pump systemic, which means pumping harder to get it farther.
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heart valves
Function |
stops blood from flowing backwards
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Atrioventricular valve
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between atria and ventricle
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R AV Valve
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Tricuspid
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L AV Valve
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bicuspid (mitral)
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between Ventricle and Arteries
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Semilunar Valve
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Pulminary Semilunar Valve
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Right Ventricle into pulminary trunk
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Aortic semilunar valve
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left ventricle to aorta
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why heart valves open and close
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due to pressure differentiation betwee atria and ventricles(av valves) or ventricles and arteries(semilunar)
*valves are not muscular* |
