how do muscle cell relax the heart muscle
pls help, tysm
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The heart also contains specialized types of cardiac tissue containing “pacemaker” cells. These contract and expand in response to electrical impulses from the nervous system. Pacemaker cells generate electrical impulses, or action potentials, that tell cardiac muscle cells to contract and relax.
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Explanation:
the actual mechanical contraction response in cardiac muscle occurs via the sliding filament modelof contraction. In the sliding filament model, myosin filaments slide along actin filaments to shorten or longthen the muscle fiber for contraction and relaxation
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