The pathway for a muscle contraction is:
A. axon releases acetylcholine, which stimulates the motor endplate, and an endplate potential is created.
B. motor endplate creates an endplate potential, and the axon releases acetylcholine.
C. motor endplate releases acetylcholine to create an endplate potential.
D. motor endplate stimulates an axon to release acetylcholine, and an endplate potential is created.
Answer: A
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