3 years ago

The contraction of skeletal muscles is based on ________.

Biology

1 answer:

nadya68 [22]3 years ago

3 0

Answer:

Nerve impulse

Explanation:

A nerve impulse is transmitted through the synaptic cleft by acetylcholine. When an impulse reaches the synaptic knob, it stimulates the vesicles to move towards the presynaptic membrane releasing the acetylcholine. The transmitter substance makes the membrane permeable. An action potential is then formed along the neuron.

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