Question

quiz: urinary system
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how much do you know about the urinary system, which makes pee? find out by taking this quiz!
quiz: urinary system
q.4 what very important job do kidneys have?
a) to make urine
b) to filter waste out of the blood
c) all of the above
d) none of the above
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Explanation:

Kidneys filter waste products from the blood as a core function, and this filtered waste is processed into urine. Therefore, both filtering blood waste and producing urine are key jobs of the kidneys.

Answer:

C) All of the above