The major nitrogenous product excreted in the urine is

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Urea is the major nitrogenous waste product excreted in urine in humans. It is formed in the liver from ammonia and is transported to the kidneys for excretion in the urine. Ammonia is toxic at high concentrations and must be converted to a less toxic form for excretion. Uric Acid is not the major nitrogenous waste product in humans, but rather in many birds and reptiles. Creatinine is a waste product produced by the breakdown of creatine phosphate in muscle tissue and is excreted by the kidneys. Glutamine is an amino acid that can be used in the synthesis of proteins and is not considered a waste product.

The Major Nitrogenous Product Excreted in the Urine Is