(A) __________ → Fluid fills in the chamber between the lens and cornea → Nourishes the tissues of the eye

Question

(i) (A) __ → Fluid fills in the chamber between the lens and cornea → Nourishes the tissues of the eye.

(ii) (B) __ → (C) __ → Maintains the shape of the eye.

(a) What do A, B and C indicate in the above illustration ?

(b) How do conjunctiva and tears protect the eye ?

Answer 1

(a) (A) Aqueous humour

(B) Vitreous humor

(C) Conjunctiva

(b) Conjunctiva secretes mucus which keeps the front surface of the eye moist and lubricated. Tears contains enzyme lysozyme that destroys germs that enter the eyes to a certain extent.