AP BIOLOGY

Detailed explanation-1: -Uremia may cause serious health complications such as fluid accumulation, electrolyte, hormone and metabolic problems. Left untreated, uremia is usually fatal and was always so before dialysis and transplantation were available.

Detailed explanation-2: -Very low toxicity for humans or animals under normal conditions of careful, responsible use. Urea is used in small quantities as a feed suppliment for livestock. Urea ingestion may be harmful to wildlife, livestock and birds at body burdens of several thousands of mg/kg if ingested without adeqate mixing.