One Mechanism That Involves the Blood Supply That Can Be

question 42

Multiple Choice

One mechanism that involves the blood supply that can be utilized by some animals to limit heat loss in cold environments is

• A)vasodilation of the near surface blood vessels.
• B)vasodilation of below surface blood vessels.
• C)vasoconstriction of the precapillary sphincters in the skin.
• D)vasoconstriction of veins.
• E)increasing cardiac output.

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