Answer:
maintaining overall fluid balance regulating and filtering minerals from blood filtering waste materials from food, medications, and toxic substances.
Explanation:
Answer: Nephrons
Explanation: The structural and functional unit of the kidney is known as nephrons. These are microscopic structures found in the kidneys.
A healthy adult has 0.8 to 1.5 million nephrons in the kidney of a adult. Its main function is filtration of the blood.
Blood is filtered and the impurities are collected to excrete out of the body in the form of urine.
