Assertion : Process of maintaining a constant internal environment is known as homeostasis .
Reason : Kidneys are excretory and homeostatic organs.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and the reason are true and the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

B

Explanation

(b) Walter Cannon (1932) was introduced the term hormeostasis (homeios = same, stasis= standing ). Homeostasis maintains the stability of the cell envirnoment and this way provides the organism with a degree of independence of the environment , in order to achieve stability .Mammals have two kidneys which perfrom excretory function and maintain urea level in blood .