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c) skeletal muscle contraction: explain the role of Ca2+ in the development of a twitch and...

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Medical Sciences

c) skeletal muscle contraction: explain the role of Ca2+ in thedevelopment of a twitch and explain the relationship between actionpotential frequency, twitches and tetanus

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Normal Muscle Contraction when a motor nerve innervate the the muscle fibremyofibrils pre synaptic nerve endings releases acetylcholine neurotransmitter into the synapse it bind with the postsynaptic receptor on the muscle membrane depolarises the sarcolemmamuscle membrane depolarisation of the T tubules Calcium ion are released by the sarcoplasmic reticulum into the sarcoplasm it bind with the Troponin c present on the tropomyosin actin complex change in    See Answer
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