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Question : Correct order of stages of muscle contraction is

Answer»

Stimuli `to` Neurotransmitter secretion `to` Release of CALCIUM `to` Cross-bridges formation - Excitation of T-system `to `Sliding of actin filaments
Stimuli `to` Neurotransmitter secretion `to` Excitation of T-system Release of `CA^(2+) ``to`- Cross-bridges formation `to` Sliding of actin filaments `to``H^+` band DIMINISHES
Stimuli `to` Excitation of T-system `to` Neurotransmitter secretion`to` Cross bridges formation `to` Sliding of actin filaments `to`'`H^+` band diminishes
Stimuli `to` Neurotransmitter secretion `to` Cross-bridges formation `to`Excitation of T-system `to` Sliding of actin filaments.

ANSWER :B


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