Question

what is effect of acetylcholine on heart​

Answer 1

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Explanation:

Acetylcholine Release

It is parasympathetic and vagus nerve activation that releases acetylcholine onto your sinoatrial node, states Cvphysiology.com. This action decreases pacemaker rate by increasing potassium and decreasing calcium and sodium movement. As the pacemaker slows, so does your heart rate.

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