Question

single motor neuron may innervate as few as 3-5 fibers in muscles of
a:upper arm
b;legs
c;eyes
d;hearts

Answer 1

Answer:

A single motor neuron, however, can innervate many muscle fibers. The combination of an individual motor neuron and all of the muscle fibers that it innervates is called a motor unit. The number of fibers innervated by a motor unit is called its innervation ratio...

Explanation:

Answer 2

Answer:

eyes muscles

Explanation:

only 3 to 5 muscle fibers  of the eyes are innervated by a single motor neuron.