Question

Name the main nitrogenous waste in human

Answer 1

Answer:urea

Explanation:The main nitrogenous waste in human blood is Urea. Liver transforms toxic ammonia into less toxic urea which is excreted through urine. Urea is synthesized in our liver and transported to kidneys before excretion

Answer 2

Answer:

Mammals such as humans excrete urea, therefore they are also called        ureotelic.

Explanation:

Humans have tendency of storing water in their body so they always secrete urea as it needs less water to remove out of body. Where as birds and amphibians produce uric acid and ammonia.