Question

Define excretion?

Answer 1

Excretory system:-

1. The excretory system in human beings consists of a pair of kidneys, a pair of ureters, a urinary bladder and a urethra.
2. Urine formed in the kidneys passes by a pair of ureters to the bladder where it is stored until it is released via the urethra,

Excretion:-

1. The elimination of metabolic waste products from the body is called excretion.
2. Example:- Urea, uric acid and $C{O}_2$ etc.