events of muscle contraction ORDER

10 terms by emilypacific 

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first event

action potential arrives at axon terminal

2nd event

calcium ions enter axon terminal

3rd event

synaptic vesicles fuse to membrane of axon terminal

4th event

acetylcholine is released into synaptic cleft

5th event

acetylcholine binds to receptor sites

6th event

motor end plate is depolarized

7th event

action potential is intiiated on sarcolemma

8th event

action potential multiplies along sarcolemma and down T tubules

9th event

calcium ions released from terminal cisternae

10th event

muscle cell contracts

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