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Question
Which of these is not an accessory excretory organ?
Which of these is not an accessory excretory organ?
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Solution
The correct option is D Heart
In addition to the urinary system, lungs, skin, liver carry out excretion as a secondary function.
Skin: Human skin possesses glands for secreting two fluids on its surface, namely sweat from the sweat glands and sebum from sebaceous glands.
Lungs: In the respiratory process, lungs remove carbon dioxide and water.
Liver: It produces bile pigments (bilirubin, biliverdin and urochrome) which are metabolic wastes of haemoglobin of dead R.B.Cs. The liver is also involved in urea formation.
Intestine: Excess salts of calcium magnesium and iron are excreted by epithelial cells of the colon (large intestine) for elimination along with the faeces.
In addition to the urinary system, lungs, skin, liver carry out excretion as a secondary function.
Skin: Human skin possesses glands for secreting two fluids on its surface, namely sweat from the sweat glands and sebum from sebaceous glands.
Lungs: In the respiratory process, lungs remove carbon dioxide and water.
Liver: It produces bile pigments (bilirubin, biliverdin and urochrome) which are metabolic wastes of haemoglobin of dead R.B.Cs. The liver is also involved in urea formation.
Intestine: Excess salts of calcium magnesium and iron are excreted by epithelial cells of the colon (large intestine) for elimination along with the faeces.
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