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What are the effects of the sympathetic and parasympathetic division of the nervous system on the...

What are the effects of the sympathetic and parasympathetic division of the nervous system on the special senses?
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Answer #1

Sympathetic and parasympathetic nervous systems are the divisions of the autonomic nervous system.

Sympathetic nervous system promotes the " fight or flight" response, in other words physiological activation aoccurs and inhibits digestion.

Parasympathetic nervous system has the "rest and digest" response. In other words it relaxes and has inhibitory action.

Special sences includes eyes, ears, nose, tongue and skin.

Sympathetic and parasympathetic nervous system effects on eyes.

- sympathetic nervous system dilates the pupils and relaxes ciliary muscles on lens allows more light to enter for the far vision.

-Parasympathetic nervous system constricts the pupils and constriction of ciliary muscles allows the accommodation for near vision.

Sympathetic nervous system contracts the arrector pilli muscles and increases sweat which increases heat loss

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