PHYSIOLOGY
MUSCLE CONTRACTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which part of the motor neuron is nearest to the muscle fibre it stimulates?
|
|
Axon
|
|
|
Dendrite
|
|
|
Motor unit
|
|
|
Motor end plate
|
Explanation:
Detailed explanation-1: -So, the correct answer is ‘Neuromuscular junction’.
Detailed explanation-2: -The combination of an individual motor neuron and all of the muscle fibers that it innervates is called a motor unit.
Detailed explanation-3: -The upper and lower motor neurons form a two-neuron circuit. The upper motor neurons originate in the cerebral cortex and travel down to the brain stem or spinal cord, while the lower motor neurons begin in the spinal cord and go on to innervate muscles and glands throughout the body.
There is 1 question to complete.