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Parasympathetic Nervous System

How excees of...

Question

How excees of sodium and potassium ions result in bradycardia in humans??

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Solution

bradycardia - means 60 or lessresting heart beat in a minute.excess K + ions blocks the generation of action potentional (excitation).excess Na+ blocks Ca+2 inflow during cardiac action potential (excitation)thereby decreasing the force of contraction. .

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