About 70% of the Blood That Is Pumped from the Heart

question 74

Multiple Choice

About 70% of the blood that is pumped from the heart during contraction enters the ventricles while the atria

• A) are contracting and ventricles are relaxing
• B) and ventricles are all contracting
• C) and ventricles are all relaxing
• D) are relaxing and ventricles are contracting

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