Following is given a randomly arranged list of events that occur at neuromuscluar junction to trigger mucle contraction.
(i) Receptor sites on sarcolemma
Nerve impulse
(iii) Release of `Ca^(+2)` from sarcoplasmic reticulum
(iv) The neurotransmitter acetylcholine is released
(v) Sarcomere shorten (vi) Synaptic cleft
(vii) Spread of impulses over sarcolemmna on T-tubules Which of the following gives the correct sequence of these steps?

Options

A. (ii),(iv),(i),(vi),(vii),(iii),(v)
B. (ii),(iv),(vi),(i),(vii),(iii),(v)
C. (i),(ii),(iii),(iv),(v),(vi),(vii)
D. (vii),(vi),(v),(iv),(iii),(ii),(v)

Answer

B