The kidney of an adult frog is:
Correct answer: D. Mesonephros
- A. Metanephros
- B. Opisthonephros
- C. Pronephros
- D. Mesonephros
Explanation
The mesonephros kidney is present in both the adult as well as the embryo of the frog. A mesonephros develops from the middle part of the intermediate mesoderm, posterior to each pronephros soon after its degeneration.
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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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