Homeostasis is

  • A
    Maintaining a constant internal environment
  • B
    Maintaining a constant external environment
  • C
    Both $(A)$ and $(B)$
  • D
    Maintaining circulation of blood

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Similar Questions

Which of the following pairs is incorrect?

Formation of urea takes place in the . . . . . . .

The characteristic that is shared by urea,uric acid and ammonia is/are:
$(A)$ They are nitrogenous wastes.
$(B)$ They all need very large amount of water for excretion.
$(C)$ They all are equally toxic.
$(D)$ They are produced in the kidneys.

Since ammonia is $.....P.....$,its excretion requires $.....Q.....$ amount of water.

Importance of excretion cannot be avoided. Why is it necessary to eliminate metabolic wastes from the body?

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