Study the diagram given below and answer the questions that follows.

(a) Name the parts labelled 1, 2 and 3 in the diagram.

(b) Mention the collective terms for the membranes covering the brain.

(c) What is the function of cerebrospinal fluid?

(a)

• A → Cerebrum
• B → Cerebellum
• C → Medulla oblongata

(b) Meninges

(C) The cerebrospinal fluid provides nutrition and protection against jerk to the brain.