Multiple Choice
Smooth muscle in the arteriole walls can vasoconstrict or vasodilate, which:
A) helps to regulate blood pressure.
B) helps to accelerate the flow of blood through the vessels.
C) prevents the back flow of blood into the tissues.
D) squeezes oxygen out of the blood.
E) adds strength to the blood vessels.
Correct Answer:
Verified
Correct Answer:
Verified
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