Question

This part of brain controls heartbeat

• A. cerebrum
• B. medulla oblongata
• C. Central canal
• D. Cerebellum

Answer 1

The correct option is B

medulla oblongata

The correct answer is option B.

Explanation of correct option:

The brain is divided into three regions: cerebrum, cerebellum and medulla oblongata.

Medulla oblongata:

1. It is the lowermost part of the brain located at the base of the skull.
2. It controls breathing, heartbeat, coughing, sneezing and other involuntary functions.

Explanation of incorrect options:

Option A:

Cerebrum:

1. It is the uppermost, largest and the most prominent part of the brain.
2. It is responsible for the sensation of pain, temperature, touch, sight, sound, taste and smell.
3. It also controls mental activities such as memory, intelligence, thinking and reasoning.

Option C:

Central canal: A cross-section of the spinal cord shows two similar halves fused together to form a small canal in the centre called Central canal.

Option D:

Cerebellum:

1. It is a small, egg-shaped lobe structure located at the base under the cerebrum.
2. It helps in the muscle coordination and balance of the body.

Final answer: Medulla oblongata is the part of brain which controls heartbeat.