What are the main functions of the kidneys?
a. Clean the blood and regulate amount of water in the body
b. Store urine until it leaves the body
c. Signal the brain regarding the need to urinate
d. Provide passageways for urine to leave the body
a
FEEDBACK: a. Correct. The kidneys clean the blood and regulate amount of water in the body.
b. Incorrect. The bladder stores urine until it leaves the body.
c. Incorrect. The bladder wall signals the brain regarding the need to urinate.
d. Incorrect. The urethra provides the passageway for urine to leave the body.
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