Question

Distinguish between voluntary and involuntary actions of our body.

Answer 1

Voluntary action:

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.

Voluntary action	Involuntary action
1. It involves conscious thought.	1. It does not involve any kind of thought, as it is not under the control of one’s will.
2. It is controlled by the cerebrum, the biggest part of the brain.	2. It is controlled by the spinal cord and the hind brain’s cranial reflex action.
3. Slow response, as cerebrum requires time to think.	3. It is a rapid response.
4. The same stimulus may generate several responses.	4. The same stimulus always leads to the same response.
5. For example, walking, running, raising a hand, etc.	5. For example, knee jerk, peristalsis, pumping of the heart, etc.