Question

Name the following.
(i) The organisms excreting urea as their excretory product.
(ii) The functional units of kidney.

Answer 1

Excretory System: The excretory system is a passive biological system that removes waste materials from the body fluids of an organism, so as to help maintain internal human equilibrium and prevent any loss to the body.

EXPLANATION:

(i) The organisms excreting urea as the waste products are called ureotelic organisms. The process is called ureotelism, for example, mammals, amphibians (frog), etc

(ii) The kidney is the primary excretory organ for the excretion of liquid waste products in the form of urine. The structural unit of a kidney is the Nephrons.