Blood is returned to the heart from all body parts by the:
A) veins.
B) capillaries.
C) arteries.
D) aorta.
A
Explanation: A) Correct.
B) Capillaries are the smallest blood vessels between the veins and arteries.
C) The arteries carry blood away from the heart.
D) The aorta carries blood from the left ventricle to all of the body except the lungs.
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