Multiple Choice
Humans may conserve or generate heat in cold weather by
A) blood vessels near the surface of the skin constricting only.
B) both blood vessels near the surface of the skin dilating and shivering.
C) shivering only.
D) blood vessels near the surface of the skin dilating only.
E) both blood vessels near the surface of the skin constricting and shivering.
Correct Answer:

Verified
Correct Answer:
Verified
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