Which of the following is not an excretory organ?

Lungs

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Skin

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Kidney

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Liver

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Solution

The correct option is D
Liver

Lungs excrete carbon dioxide and water vapor. Skin excretes sweat. Kidney excretes urine. Heart does not excrete any substance.

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$\begin{matrix} O r g a n s & E x c r e t o r y w a s t e s (a) K i d n e y s & \dots (b) L u n g s & \dots (c) L i v e r & \dots (d) s k i n & \dots \end{matrix}$

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Kidney is an excretory and regulatory organ. Which of the following are regulated effectively by kidneys?

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Which of the following is not an excretory organ?

The correct option is D Liver Lungs excrete carbon dioxide and water vapor. Skin excretes sweat. Kidney excretes urine. Heart does not excrete any substance.

The correct option is D
Liver

Lungs excrete carbon dioxide and water vapor. Skin excretes sweat. Kidney excretes urine. Heart does not excrete any substance.