Biology, 01.04.2020 19:00, ummsumaiyah4185

In cardiac muscle In cardiac muscle an action potential spreads throughout the Z discs. intercalated discs connect the muscle fibers together. calcium enters the cell from storage chambers called intercalated discs. potassium is released from the sarcoplasmic reticulum.

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In cardiac muscle In cardiac muscle an action potential spreads throughout the Z discs. intercalated...