Select the correct answer.

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1 answer:

arlik [135]3 years ago

8 0

Answer:A motor neuron only innervates one muscle fiber.

Explanation:

One motor neuron can innervate several muscle fibres.

The combination of one motor neuron innervating several muscle fibre is called a motor unit.

The number of skeletal muscle fibres innervated is called the innervation ratio.

Group of the motor unit works together to coordinate contraction is a single muscle cell.

Motor neurons transmit impulses from the spinal cord to skeletal and smooth muscles. They form rod-shaped clusters that run parallel to the axis of the cord for spinal cord segments.

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