EVERYDAY SCIENCE

Detailed explanation-1: -Actions which take place without consciousness or willingness of an individual are called the involuntary action. Digestion, heart beating, sneezing, etc are few examples of involuntary actions. Both involuntary and voluntary actions are controlled by the same parts of the brain.

Detailed explanation-2: -The medulla oblongata is the rod-shaped part of the brain which is seen below the cerebrum, located near the cerebellum of the brain. It controls involuntary actions like heartbeat and breathing.

Detailed explanation-3: -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-4: -An action that is under the control of one’s will is known as voluntary action. Involuntary action: An action that is not under the control of one’s will is called involuntary action.

Detailed explanation-5: -An example of involuntary action is the beating of the heart. Other involuntary actions include breathing and digestion.