What waste product is removed from the body by the kidney?

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Multiple Choice

What waste product is removed from the body by the kidney?

Explanation:
The kidneys remove nitrogenous waste produced from protein breakdown, with urea being the classic waste product mapped to this process. Urea is formed in the liver from amino groups and then filtered by the kidneys and excreted in urine. This makes it the primary waste product associated with kidney excretion. Glucose is normally reabsorbed and used for energy, not wasted. Oxygen is essential for metabolism and isn’t excreted as a waste by the kidneys. Salts are balanced and can be excreted, but the term most closely tied to kidney waste removal is urea.

The kidneys remove nitrogenous waste produced from protein breakdown, with urea being the classic waste product mapped to this process. Urea is formed in the liver from amino groups and then filtered by the kidneys and excreted in urine. This makes it the primary waste product associated with kidney excretion. Glucose is normally reabsorbed and used for energy, not wasted. Oxygen is essential for metabolism and isn’t excreted as a waste by the kidneys. Salts are balanced and can be excreted, but the term most closely tied to kidney waste removal is urea.

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