Which of the following gases when decreased in the air causes breathing faster?

Nitrogen

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Oxygen

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Carbon dioxide

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Inert gases

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Solution

The correct option is B Oxygen
Breathing becomes faster if the oxygen content in the air decreases. As a general rule, the faster and deeper you breathe, the greater is the air exchange happening in your lungs. This means there is increase in the rate of oxygen uptake by blood and also of carbon dioxide wash-out

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Similar questions

Which of the following gases when decreased in the air increases the breathing rate?

Which of the following does not occur during breathing ?

(a) Brings the air to body temperature

(b) Warms up the air

(d) Cleans up the air

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