GENERAL HISTOLOGY

Detailed explanation-1: -Liver produces excretory wastes such as urea, ammonia, uric acid etc. It also produces and excretes bile pigments such as bilirubin and biliverdin formed by the breakdown of dead RBCs.

Detailed explanation-2: -Bile is the excretory product produced in the liver, it helps in maintaining the chemical levels in the blood and removing the waste away with digestive wastes. These are eliminated from the body and thus help in excretion. It maintains the level of amino acids in the blood.

Detailed explanation-3: -Yes, urea is a nitrogenous waste. Excretion: Excretion is the process by which nitrogen-containing waste products of metabolism are eliminated from the body. The main source of nitrogenous waste in humans is Urea excretion is known as ureotelism, and the animals that do so are known as ureotelic animals.

Detailed explanation-4: -Excretion is the physiological process of elimination of metabolic waste from the body. The excretory products include amino acids, urea, uric acid, carbon dioxide, water, and ammonia.

Detailed explanation-5: -Final answer: Intestine is not an excretory organ.