The kidney is an excretory organ. Name two other organ in human and in each case state the substance that the organ excretes igcse
Answers
Skin:
The skin is the largest organ in the body. Its primary function is to protect the different organs of the body. However, the skin helps in excretion by the way of sweat. The skin eliminates compounds like NaCl, some amount of urea etc.
Lungs:
Lungs are the primary respiratory organs and they help take in oxygen and expel carbon dioxide. But, in this process, they also function to eliminate some amount of water in the form of vapour.
Liver:
The liver has an important function in excretion. It is said to be the first line of defence when it comes to hormones, fats, alcohol, and drugs. Most drugs undergo a first pass metabolism which occurs in the liver. Few drugs are eliminated directly by the kidneys. The liver is said to play a role in the elimination of excess fats and cholesterol that is essential to the health of the body.
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