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.
Answer:<em> Protein not only helps maintain muscle and bone mass, but it's also essential for body growth. Thus, deficiency or insufficiency is especially harmful to children whose growing bodies require a steady supply.</em>
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