Question

if we cut both sympathetic and parasympathetic nervous system how does it affect the heartbeat? please explain​

Answer 1

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The sympathetic nervous system releases norepinephrine (NE) while the parasympathetic nervous system releases acetylcholine (ACh). Sympathetic stimulation increases heart rate and myocardial contractility

Answer 2

Answer:

The sympathetic nervous system releases norepinephrine (NE) while the parasympathetic nervous system releases acetylcholine (ACh). Sympathetic stimulation increases heart rate and myocardial contractility.

Explanation:

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