Biology, 19.08.2020 17:01 homeschool0123

What two actions does the body take in order to warm up when cold? involuntary muscle contraction and excretion of fluid
dilation of blood vessels and shivering
involuntary muscle contraction and blood vessel constriction
dilation of blood vessels and excretion of fluid

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What two actions does the body take in order to warm up when cold? involuntary muscle contraction a...