__________ plays a critical role as a neurotransmitter that stimulates skeletal muscles to contract.
A) Acetylcholine
B) GABA
C) Dopamine
D) Endorphin

Question

Quizplus · Accepted Answer

Acetylcholine is the neurotransmitter responsible for stimulating skeletal muscles to contract. It is released from motor neurons and binds to receptors on the surface of muscle cells, leading to the contraction of the muscle fibers.

__________ Plays a Critical Role as a Neurotransmitter That Stimulates