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Blood Flow and Gas Transport.docx

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BIOL 1115

Blood Flow and Gas Transport  Cardiac output is the amount of blood pumped from the heart from either the right side or left side per minute.  Both right and left ventricle have the same cardiac output therefore systematic and pulmonary circuit have the same blood flow.  Stoke Volume is the amount of blood that the heart can pump per minute.  Q=heart rate X stoke volume.  As the work load increase, the heart pumps blood faster sending the blood to the muscle that is doing most of the work.  Athletes are trained people and they have a higher stoke volume therefore they can pump out more blood with less heart beats.  Systole is when the ventricles are contracting the blood out of their chamber. Diastole is when the heart is relaxing this occurs between heart beat.  The volume of blood in each of the ventricle at the end of diastole normally around 120 mL in an untrained person.  The volume of blood
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