During muscle contraction:

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Question

(B) During muscle contraction,the chemical energy stored in $ATP$ (Adenosine Triphosphate) molecules is utilized by the muscle fibers to perform work.

Vedclass · Accepted Answer

Chemical energy is changed into mechanical energy

Vedclass · Answer

(B) During muscle contraction,the chemical energy stored in $ATP$ (Adenosine Triphosphate) molecules is utilized by the muscle fibers to perform work.This process involves the sliding of actin filaments over myosin filaments,which results in the shortening of the sarcomere.Consequently,the chemical energy is converted into mechanical energy,which is responsible for the movement of the body parts.

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