Q. Muscle contraction is initiated by the signal sent by
A) CNS
B) PNS
C) ANS
D) Neutral transmitters
Explanation
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.