Human brain is formed of a large number of parts like cerebrum, thalamus, hypothalamus, pons, cerebellum and medulla oblongata. Each part performs some specialized function and all the parts are essential for the survival of a person. Discuss the following statements :
(a) Thalami are called relay centres of the brain.
(b) Damage to medulla may cause the death of organism.

Explanation

Thalami are alled relay centres of brain. Thalamus is a major coordinating centre for sensor and motor signalling by relaying impulses between the spinal cord, brain stem and cerebrum. It plays a vital role in memory.