Which of the following human parasympathetic function is not under the control of a cranial nerve?

Contraction of bladder

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Constriction of pupil

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Increase of salivation

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Stimulation of gall bladder activity

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Solution

The correct option is D Contraction of bladder
The parasympathetic nervous system decreases respiration and heart rate and increases digestion. Stimulation of the parasympathetic nervous systems results in the construction of pupils. Salivation, decrease heart rate and blood pressure.
So, the correct option is 'Contraction of bladder'.

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