In order to pump to the rest of the body, _______ requires a constant supply of blood with nutrients and oxygen
myocardium
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thief
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seesaw
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fairy
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lifesaver
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15
blood returns to the heart through the right and left ________ ____________
coronary arteries
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15
what is the volume of blood pumped by one ventricle per minute called?
cardiac output
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15
when is recovery from a heart attack possible?
when the amount of the tissue death is small enough that undamaged muscle can still pump
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15
blockages can be corrected sometimes by using this type of surgery
coronary bypass
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seesaw
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rocket
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fairy
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baam
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15
the cardiac output of an average adult is about __________L.
5 Liters
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15
the average adult heart rate is about how many bets per minute?
72
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15
what is also known as the "natural pacemaker"?
sinoatrial (SA) node
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15
what delivers good blood to the heart and bad clood back to the venous system?
coronary circulation
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lifesaver
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rocket
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15
what happens in coronary thrombosis and coronary embolism?
a blood clot plugs a coronary artery
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15
the heart has its own built-in electrical conduction system. This is in 4 structures embedded in the heart wall. What are the names of these 4 structures?
SA node, AV node, AV bundle, and Purkinje fibers
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15
what is a more common name for myocardial infarction?
