Question

Most of the involuntary actions are controlled by

• A. Medulla oblongata
• B. Cerebrum
• C. Cerebellum
• D. Diencephalon

Answer 1

Answer: (A)

Medulla oblongata

Involuntary actions are those action that controlled by medulla oblongata which is a part of the autonomous nervous system where as voluntary actions are controlled by the cerebellum. The medulla oblongata directly controls heartbeat, blood pressure, breathing and digestion. It is located in the hindbrain, anterior to the cerebellum. It is a cone-shaped and contains the cardiac, respiratory, vomiting and vasomotor centers. Hence, the correct answer is option A.