In Vertebrates, the Neurotransmitter Acetylcholine ____

Multiple Choice

In vertebrates, the neurotransmitter acetylcholine ____.

A) can act as a direct neurotransmitter between neurons and muscle cells
B) is involved in memory and learning
C) can be released into the circulation and act as a hormone
D) can act as a pain reducer and initiate euphoria
E) is involved in pain perception