Which of the Following Is a Function of the Body's

Which of the following is a function of the body's capillaries

A) They reoxygenate the blood before it is pumped back into the heart.
B) They extract oxygen from the blood before returning the blood to the heart.
C) They allow carbon dioxide to pass through the capillary walls into the blood to be carried by the lungs for removal.
D) They help speed the transmission of blood throughout the body.

Correct Answer:

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