Homeostasis is the process of maintaining a ------------ constant environment despite -------------- conditions:
Correct answer: B. Internal external
- A. External internal
- B. Internal external
- C. Both (A) and (B)
- D. None of these
Explanation
The protection of internal environment from the harms of fluctuations in external environment is termed as homeostasis. The homeostasis keeps the internal fluctuations in a narrow range with various control systems compared to wider external fluctuations.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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