Question

Which muscles show rythemic contraction and relaxation throughout life

(A) Cardiac muscles
(B) Smooth muscles
(C) Both A and B

Answer 1

Answer:

cardiac muscles showrythemic contraction and relaxation throughout life

because they are present in our heart and Heart beat at normal surroundings and temperature remains the same

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Answer 2

Answer:

Cardiac muscel

Explanation:

cardiac muscel is present on the heart when it contracts or relax it produces the sound of luv dub which we called heart beats