Assertion: acetylcholine | /r/ObjectUse | used at neuromuscular junction
Facets:
Source sentences:
text: In vertebrates, acetylcholine is the neurotransmitter used at the neuromuscular junction, where signals are transmitted between neurons from the central nervous system to muscle fibres.
text: Acetylcholine is the neurotransmitter used at the neuromuscular junction—in other words, it is the chemical that motor neurons of the nervous system release in order to activate muscles.