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Sympathetic nervous system induces (a) secretion of digestive juices (b) heart beat (c) secretion of saliva...

Sympathetic nervous system induces

(a) secretion of digestive juices

(b) heart beat

(c) secretion of saliva

(d) all of these.

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Answer #1

Answer:-

Option(b)

Sympathetic nervous system induces HEART BEAT.

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Definition :-

The part of the autonomic nervous system that contains chiefly adrenergic fibers and tends to depress secretion,decrease the tone and contractility of smooth muscle,and increase heart rate and later compare parasympathetic nervous system.

Two nerves link the CARDIOVASCULAR CENTER in the medulla oblongata of brian with the sinoatrial(SA)node of the heart.

1.Accelerator nerve

2.Vegus nerve

1. (sympathetic NS) when stimulated, releases neurotransmitter at the sinoatria(SA) node to INCREASE heart rate.

2.(Parasympathetic NS) when stimulated,releases neurotransmitter at the sinoatria(SA) node to DECREASE heart rate.

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