Arrаnge the fоllоwing events in the cоrrect chronologicаl order for skeletаl muscle contraction: a. Action potential in sarcolemma travels down T-tubules. b. Sodium ion channels open c. Sarcoplasmic reticulum releases calcium. d. A motor neuron fires an action potential down its axon. e. Voltage-gated Calcium channels open. f. Myosin and actin form crossbridge g. Calcium binds to troponin which uncover active sites on actin. h. Local depoarization travels across sacrolemma i. acetylcholine is released into synaptic cleft