The main function of the kidneys is to
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 61 (General Science): filter waste products from the blood
Method
The kidneys strain waste and excess water out of the blood to make urine, and in doing so they also balance the body's salts and fluid levels.
Updated: November 2026
Raise your AFQT scoreFree for iPhone and Android
