Assertion: neurotransmitter acetylcholine | /r/Causes | muscle
Facets:
value: normally
type: DEGREE
value: to contract
type: PURPOSE
Source sentences:
text: The toxin decreases muscle spasms by blocking release of the neurotransmitter acetylcholine, which normally causes muscles to contract.
text: The toxin decreases muscle spasms by blocking release of the neurotransmitter acetylcholine, which normally causes muscles to contract.