The pupil is a part of-

Correct option is A

The correct answer is (a) Eye.
· The pupil is the central part of the eye, a small, round opening located in the middle of the iris.
· It controls the amount of light that enters the eye by contracting and dilating in response to light intensity. This process is known as the pupillary reflex.
· The pupil appears black because most of the light entering it is absorbed by the tissues inside the eye.

Information Booster:
Gall Bladder:
· A small organ located beneath the liver, responsible for storing and concentrating bile produced by the liver.
Kidney:
· A pair of bean-shaped organs responsible for filtering waste products from the blood and excreting them as urine.
Bone Marrow:
· A soft, spongy tissue found inside bones that produces blood cells, including red blood cells, white blood cells, and platelets.