The breakdown of proteins produces

A. Carbon dioxide

B. Urea

C. Water

B.Urea

Explanation:

When an amino acid is broken down, the nitrogen it contains is converted into urea by the liver which then is excreted via the kidneys.

urea

Explanation:

when u eat proteins the body breaks them down into amino acids . Ammonia is produced from leftover amino acids and it must be removed from the body. the liver produces many chemicals (enzymes) that change ammonia into a form called ureas

if you're asking what comes out, it's steam.

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