Question

38. The muscles that contract endlessly from early embryonic stage until death
Smooth muscles
Cardiac muscles
None of the above

Answer 1

Explanation:

cardiac muscles are the heart muscles and the heart beats from the moment you are born till u die hence cardiac muscles are the muscle that contracted endlessly

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Answer 2

Answer:

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Explanation:

Cardiac muscles contract and relax rapidly, rhythmically and tirelessly throughout a life time. They contract endlessly from early embryonic stage until death