Q:

When cardiac ejection ceases during diastole, what is the most important factor maintaining blood flow in arteries of the body?

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When cardiac ejection ceases during diastole, what is the most important factor maintaining blood flow in arteries of the body?


  1. Contraction of skeletal muscle
  2. Closing the venous valves
  3. Elastic recoil of the arteries close to heart
  4. Contraction of the atria

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C: Arteries store elastic potential energy in their distended elastic walls, so that when ventricular contraction ceases, the elastic artery walls recoil, forcing blood to continue moving away from the heart.

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