Briefly explain the role of lungs, liver and skin as excretory organs.

1.	Briefly explain the role of lungs, liver and skin as excretory organs.
Answer» Role of lungs : Removes large amount of CO₂ and also water. Liver : Removes bilirubin, biliverdin, cholesterol, degraded steroids, hormones, vitamins and drugs. Skin : Sweat glands help in removal of sweat containing NaCl, small amount of urea, lactic acid, etc. Sebaceous glands helps in removal of sterols, hydrocarbons and waxes through sebum.

Answer»

Role of lungs : Removes large amount of CO₂ and also water.

Liver : Removes bilirubin, biliverdin, cholesterol, degraded steroids, hormones, vitamins and drugs.

Skin : Sweat glands help in removal of sweat containing NaCl, small amount of urea, lactic acid, etc. Sebaceous glands helps in removal of sterols, hydrocarbons and waxes through sebum.

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Briefly explain the role of lungs, liver and skin as excretory organs.

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