1
Q:
| A) filtering minerals from blood | B) fluids balance |
| C) filtering wastes from blood | D) None of the above |
Answer: D) None of the above
Explanation:
Explanation:

The three main functions of Kidneys are ::
* Regulating and filtering minerals from blood.
* Maintaining overall fluid balance.
* Filtering waste materials from food, medications, and toxic substances.
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