Answered

To which body system do the kidneys belong?

Select one:
a. excretory
b. circulatory
c. immune
d. digestive



Answer :

Final answer:

The kidneys are part of the excretory system and play a key role in filtering waste from the blood and maintaining internal balance.


Explanation:

The kidneys belong to the excretory system. They are vital organs responsible for filtering waste products and excess water from the blood, forming urine, and maintaining the body's internal balance. The nephron is the functional unit of the kidney and plays a crucial role in this filtration process.


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