Which neurotransmitter is primarily involved in the activation of motor neurons controlling skeletal muscles

A)  GABA 
B)  acetylcholine 
C)  serotonin 
D)  norepinephrine

Motor Neurons

Nerve cells that initiate and conduct signals from the brain or spinal cord to muscles or glands, resulting in movement or action.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous system that plays a key role in muscle activation and memory functions.

Skeletal Muscles

The muscles attached to bones that are responsible for voluntary movements of the body.