ANATOMY

Detailed explanation-1: -Involuntary actions are actions that are not under an individual’s conscious control. These actions are done automatically and are regulated by the brain. An example of involuntary action is the beating of the heart. Other involuntary actions include breathing and digestion.

Detailed explanation-2: -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: -Digestion, heart beating, sneezing, etc are few examples of involuntary actions.

Detailed explanation-4: -So, the correct answer is ‘Chewing’

Detailed explanation-5: -An act which is not consciously controlled by the mind or over which a person has no control, such as reflexes or convulsions. Also referred to as involuntary conduct. In criminal law, involuntary actions may absolve the actor of liability.