Which of the following is an effect of acetylcholine?
Acetyl choline is a neurotransmitter ,which is a chemical released by nerve cell ir neuron .acetyl choline causes muscle to contract,activate pain responses and regulates endocrine and REM sleep functions Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:77,78
Relaxes LES
Contracts LES
Constricts the blood vessels
Relaxes the bronchial muscles
General physiology