Q. Motor unit is a
A) Neuron
B) Muscle fibre
C) Motor neuron with muscle fibre
D) All of the above
Explanation
Motor neuron with muscle fibre. Muscle contraction is initiated by a signal sent by Central Nervous System (CNS), via motor neurons. A motor neuron along with the muscle fibres connected to it constitutes a motor unit
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.