Question

Which statement describes how kidneys remove nitrogenous waste from the blood?

A. They remove protein remains and produce urea

B. They filter the blood for urine and collect it

C. They produce urea and send it to the liver for urine production

D. They filter urea from blood and produce urine ​

Answer 1

Answer: b

Explanation: Nephrons present in the kidney, filter the waste products. Urea along with water and other wastes move to the renal tubules afterward. Urine then travels to the bladder from the kidney and is stored there, until excreted out during urination.

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