Neuromuscular Contraction

By OpenStax – https://cnx.org/contents/FPtK1zmh@8.25:fEI3C8Ot@10/Preface, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=30015039
Anatomy of the nueromuscular junction. Note the vesicles that contain the neurotransmitters, which travel across the synaptic cleft to bind with receptors on the motor end plate