Question

The diagram given below is an external view of the human brain. Study the same and answer the questions that follow :

(i) Name the parts labelled A, B and C in the diagram. 

(ii) What are the structural and functional units of the brain? How are the parts of these units arranged in A and C? 

(iii) Mention the collective term for the membranes covering the brain.

(iv) What is the function of Cerebrospinal fluid?

Answer 1

(i)

 A. Cerebrum 

B. Cerebellum 

C. Spinal cord 

(ii) 

A. It is the seat of memory, will power, emotions, experience, intelligence and controls all voluntary actions of the body. 

B. Maintains balance of the body.

(iii) Meninges.

(iv) It serves as shock absorbing medium. Protects brain and the rest of CNS against jerk and jolts. It maintains constant pressure in and around the brain.