Question

Give the biological / technical term for the following:

(i) Pigment providing color to the urine.

(ii) The removal of nitrogenous wastes from the body.

Answer 1

(i) Urochrome

1. It gives pale yellow color to the urine.
2. It is also known as urobilin pigment.
3. It is derived from the break down of heme in the liver. It get deposited in the blood and later excreted by the kidney with urine.

(ii) Excretion

1. The biological process of throwing of harmful metabolic wastes from the body is called excretion.
2. The main excretory product of humans is urea.