How are the muscles in your arms and legs similar to your heart muscle? A.
They all move bones back and forth.
B.
They all contract.
C.
They are all voluntary muscles.
D.
They are all involuntary muscles.

B. They all contract is the correct answer.

Explanation:

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the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.