Question

1. Name the following:-
The modified sebaceous glands which open on the margins of the eyelids.
b) Large hollow box like part of the skull that houses brain.
e) The large hole at the back of the cranium.
A ring like valve that gaurds the opening of oesophagus into stomach.
e) Removal of undigested residue of the food.​

Answer 1

a. The modified sebaceous glands which open on the margins of the eyelids - meibomian gland.

b. Large hollow box like part of the skull that houses brain - cranium / brain box / cranial cavity.

c. The large hole at the back of the cranium - foramen magnum.

d. A ring like valve that gaurds the opening of oesophagus into stomach - oesophageal sphincter.

e. Removal of undigested residue of the food - egestion.

$\bold{Hope\;it \; helps\;!}$