Which of the following is removed in large quantity from our body by lungs?

CO2 only

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H2O only

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CO2 and H2O

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Ammonia

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Solution

The correct option is A
CO2 only

The main purpose of the lung is to collect oxygen for your body to use and then to eliminate carbon dioxide. When you inhale fresh air, the oxygen enters the blood vessels that surround your alveoli, the site of gas exchange in the bronchioles of your lungs. The oxygen circulates in your body, gets used up, and carbon dioxide is the result. The carbon dioxide then travels with your blood back to your lungs and is diffused to the alveoli, where it is exhaled.

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Similar questions

A large quantity of one of the following is removed from our body by lungs.
(a) $C O_{2}$ $H_{2} O o n l y$
(c) $C O_{2}$ and $H_{2} O$ (d) ammonia

C O 2

C O_{2} + H_{2} O ⇌ H_{2} C O_{3} ⇌ H^{+} + H C O_{3}^{-}

C O_{2}

C O_{2} + H_{2} O ⇌ H_{2} C O_{3} ⇌ H^{+} + H C O_{3}^{-}

C O_{2}

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