what is excretion?name the excretory organs of man.
Answers
Answer:
Organs of excretion include the skin, liver, large intestine, lungs, and kidneys. All of them excrete wastes, and together they make up the excretory system.
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Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin.[1]This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life. For example, in mammals urine is expelled through the urethra, which is part of the excretory system. In unicellular organisms, waste products are discharged directly through the surface of the cell.
Explanation:
The main excretory organs in man are
Kidney is the main excretory organ in man. It helps in filtration of blood and maintains osmoregulation. Accessory organs of excretion are liver, lungs and skin. Lungs helps in excretion of carbon dioxide. Skin helps in secretion of oil, water and salts by sweat and sebaceous gland. Liver helps in excretion of bile. It also helps in formation of urea which is a major excretory product. So, the correct answer is option"kidneys."
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