GENERAL HISTOLOGY

Detailed explanation-1: -A part of the peripheral nervous system called the autonomic nervous system controls many of the body processes you almost never need to think about, like breathing, digestion, sweating, and shivering.

Detailed explanation-2: -Involuntary Functions Some functions are involuntarily performed, such as breathing, digestion, heart beating, eye reflexes, etc., but some involuntary actions have voluntary control to a certain extent – examples are breathing, salivation, deglutition (swallowing), defecation, micturition (urination) and others.

Detailed explanation-3: -So, the correct answer is ‘Chewing’

Detailed explanation-4: -Digestion, heart beating, sneezing, etc are few examples of involuntary actions.

Detailed explanation-5: -A reflex is an involuntary (say: in-VAHL-un-ter-ee), or automatic, action that your body does in response to something-without you even having to think about it.