Write about the excretory role of the lungs?

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Solution

Lungs:
Lungs are the spongy paired structure that is present on either side of our chest.
It is an important organ that provides a site for the exchange of respiratory gases which helps us to breathe.
It is known as an accessory excretory organ because, during cellular respiration, the lungs give out carbon dioxide as their waste product.
The organs which are involved in the removal of waste products from our body apart from the main excretory system (including kidneys, urinary bladder, ureters, and urethra) are known as the accessory excretory organs.
Apart from lungs, liver, and skin also act as accessory excretory organs.

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

Q. Which of these is not an organ system?
(a) lung
(b) circulatory
(c) digestive
(d) excretory

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

Lungs are also excretory organs.

Lungs are called the accessory excretory organs.

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