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Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...

Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
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Description: Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels along the sarcolemma. (b) Large amounts of calcium are released from storage in the sarcoplasmic reticula, causing actin and myosin filaments to slide and muscle contraction to occur.
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Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=28549
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