Biology, asked by Anonymous, 4 months ago

What are responsible for contraction and relaxation in muscles?

Answers

Answered by devroy26780

23

Explanation:

Skeletal muscles are involved in contraction and relaxation. An action potential travels through the motor neuron. The motor neurons are linked to the muscle fibers at the neuromuscular junction. ... This neurotransmitter binds to the receptors on the surface of the muscle fiber leading to muscular contraction.

Answered by mvenu1616

1

Answer:

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