WAEC Biology 2019 Question 17

Question 17

Nervous Coordination

The diagram below is an illustration of a human brain. The function of the part labelled II is that it controls

Diagram for this question
  1. A.posture and balance of body.
  2. B.all voluntary actions.
  3. C.temperature and appetite.
  4. D.many involuntary actions.
Show the answer and explanation

Answer: D (many involuntary actions.)

Explanation

Part II is the medulla oblongata at the base of the brain. It controls involuntary actions such as breathing, heartbeat and swallowing.