Question

the break down of amino acids produces ammonia, which would be fatal if not quickly converted into urea by the liver. what happens to this urea? a it is filtered from the blood excreted in urine b it is secreted by the liver and diffuses into urine c it is processed by the large intestine into solid waste d it is diffused into the kidney and transferred into urine

Explanation:

The liver converts ammonia to urea. Urea is then transported in the blood to the kidneys. The kidneys filter the blood and excrete urea in urine.

Answer:

A. It is filtered from the blood excreted in urine