The hearts nodal cells have a more negative resting potential than neurons do, because nodal cells lack leak channels for sodium and potassium ions.
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Q39: How many half-moon shaped,pocketlike cusps are found
Q45: Which valve prevents the backflow of blood
Q46: During the plateau phase of a cardiac
Q47: Typically, there are _ papillary muscles that
Q48: As with action potentials in other types
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Q51: The membrane of a contractile cardiac muscle
Q52: The membrane of a contractile cardiac muscle
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A) decreasing of
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