Sympathetic nervous system increases

Heart beat

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Secretion of saliva

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Secretion of digestive juices

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All the above

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Solution

The correct option is A Heart beat
A. Heart beat
Reason: Medulla of brain consists two regions affecting heart rate, cardiac inhibitory centre and cardiac accelerator centre. Sensory nerves originating from the accelerator centre and enter the SA node. Stimulation by these nerves which are part of sympathetic nervous system causes an increase in heartbeat.

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Similar questions

The function of our visceral organs is controlled by

(a) sympathetic and somatic neural system

(b) sympathetic and parasympathetic neural system

(d) None of the above

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