Question : About kidneys and their functions, which of the following statements is not correct?
Option 1: They maintain water balance and expel metabolic waste
Option 2: Reptiles have relatively more nephrons than birds
Option 3: Their basic functional units are called nephrons
Option 4: Each nephron has two parts – the glomerulus and the renal tubule
Correct Answer: Reptiles have relatively more nephrons than birds
Solution : The correct answer is Reptiles have relatively more nephrons than birds.
There are two bean-shaped kidneys in our renal system. They are the primary part of the body, and they perform many vital functions, which include maintaining the overall fluid balance in the body, regulating and filtering minerals from the blood and filtering the waste materials from food. A nephron is the basic structural and functional unit of the kidney, and there are millions of nephrons in each human kidney.
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