Question

Controlling centre of involuntary activities.

1 Medulla oblongata

2 Cerebrum

3 Cerebellum

4 Nerves cells​

Answer 1

Answer:

The medulla oblongata is part of the brain stem that controls most of these involuntary actions (The brain stem is the posterior part of the brain that is continuous with the spinal cord. It is made up of three segments; the medulla oblongata, the midbrain and the pons).

Explanation:

Medulla oblongata is answer

Answer 2

Answer:

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.