THORAX ABDOMEN AND PELVIS

MEDICAL

GALLBLADDER AND EXCRETORY SYSTEM OF THE LIVER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In which excretory organ is urea produced?
A
skin
B
liver
C
kidneys
D
lungs
Explanation: 

Detailed explanation-1: -Urea is produced in the liver and is a metabolite (breakdown product) of amino acids.

Detailed explanation-2: -Urea is a nitrogenous waste produced as a by-product of the metabolism of proteins. This process takes place in the liver. It does not occur in the kidney.

Detailed explanation-3: -The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells. The urea forms, then enters the blood stream, is filtered by the kidneys and is ultimately excreted in the urine.

Detailed explanation-4: -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.

There is 1 question to complete.