Biology, 06.05.2020 02:18 kandicelima01

In twitch summation, a) the muscle fiber is stimulated again before the filaments have completely returned to their resting position b) stronger muscle contractions occur but stronger action potentials do not uoccur c) a second action potential occurs in the muscle fiber, before the first action potential is finished d) both a and b are correct e) all of the above are correct

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In twitch summation, a) the muscle fiber is stimulated again before the filaments have completely re...