NEET BIOLOGY

Detailed explanation-1: -Urea is produced as a waste product by the breakdown of unused proteins in the liver. Our bodies must eliminate these waste materials because their accumulation is poisonous and harmful to us. In the form of urine, our kidneys excrete urea, waste salts, and excess water from the blood (a yellowish liquid).

Detailed explanation-2: -Urea is the major nitrogenous waste product and it is formed in the liver. Urea is secreted out by the kidney along with uric acid through urine.

Detailed explanation-3: -What is nitrogenous waste in urine? Urea is a nitrogenous waste that is excreted in urine. Ammonia is converted into urea, which is less toxic and requires less water to remove from the body. Urea is created by cells within the liver.

Detailed explanation-4: -1: Nitrogen excretion: Nitrogenous waste is excreted in different forms by different species. These include (a) ammonia, (b) urea, and (c) uric acid.

Detailed explanation-5: -Nitrogen wastes They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism. In many animals, the urine is the main route of excretion for such wastes; in some, it is the feces.