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LIVER EXCRETION

Biology

LIVER EXCRETION

LIVER EXCRETION Role of Liver in Excretion The liver lies below the diaphragm and it receives blood from hepatic artery and hepatic portal vein. Blood flows out of the liver through hepatic vein. Excretion of Nitrogenous Wastes Excess amino acids cannot be stored in the body; they are deaminated in the liver. Hydrogen is added to amino group to form ammonia which combines with carbon (IV) oxide to form urea. The urea is carried in the blood stream to the kidneys. The remaining carboxyl group, after removal of amino group, is either oxidized to provide energy in respiration, or built up into carbohydrate reserve and stored as glycogen or converted into fat and stored.   Breakdown and Elimination of Haemoglobin Haemoglobin is released from dead or old red blood cells which are broken down in the liver and spleen. Haemoglobin is broken down in the liver and a green pigment… Read More »LIVER EXCRETION

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