Distinguish between voluntary and involuntary actions of our body.
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. |