state the two ways to increase stroke volume
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Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps. Generally speaking, your heart beats both faster and stronger to increase cardiac output during exercise.
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Answer:1Preload: The filling air pressure of the heart when diastol ends.
Contractility: The inherent vigor of contraction of the heart muscles during systole.
Afterload: The air pressure against which the heart must work to eject blood during systole.
Explanation:
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