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Question
Which of the following are the excretory organs of a human being?
Which of the following are the excretory organs of a human being?
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Solution
The correct option is D All of the above
The excretory organs present in a human being are
i. Lungs: Eliminate waste water as vapour and carbon dioxide.
ii. Liver: Excretion of bile pigments derived from the breakdown of haemoglobin of old and worn out red blood cells.
iii. Skin (sweat glands): Removal of urea and salts along with water through sweat glands.
iv. Digestive tract: Eliminates bile pigment.Calcium and iron salts are excreted into the lumen of the digestive tract and they pass from the body through the faeces.
v. Kidneys: They help to eliminate nitrogenous wastes especially urea.
All of the above
The excretory organs present in a human being are
i. Lungs: Eliminate waste water as vapour and carbon dioxide.
ii. Liver: Excretion of bile pigments derived from the breakdown of haemoglobin of old and worn out red blood cells.
iii. Skin (sweat glands): Removal of urea and salts along with water through sweat glands.
iv. Digestive tract: Eliminates bile pigment.Calcium and iron salts are excreted into the lumen of the digestive tract and they pass from the body through the faeces.
v. Kidneys: They help to eliminate nitrogenous wastes especially urea.
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