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The amount of blood ejected per heartbeat
SV= EDV- ESV
SA node
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Pacemaker of the heart, generates electrical impulse
, Inferior vena cava
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Returns deoxygenated blood from the trunk and lower extremity
Hemoglobin
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Iron-containing protein within red blood cells that has the capacity to
being between one and four oxygen molecules.
Exhalation during exercise
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Involves the internal intercostal and abdominal muses to facilitate
movement of air in and out of the lungs
Electrical conduction system of the heart
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