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We breathe in all gases present in the air. The two most abundant constituents of air are nitrogen and oxygen.

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14y ago
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13y ago

Oxygen and nitrogen. We inhale ≈ 21% oxygen the rest is nitrogen

We exhale ≈ 16% oxygen, 5% carbon dioxide and the rest is nitrogen

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12y ago

Nitrogen and oxygen

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Q: What are the two gases which are present during inhaling and exhaling air?
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Related questions

What are the two gases increase or decrease during inhaling and exhaling?

Carbon Monoxide and Carbon Dioxide.


External respiration involves?

External respiration is the exchange of gases between each lung and blood. It involves inhaling gases from the organisms external environment, and then exhaling the gases back out.


Are you inhaling or exhaling when the gases inside the lungs are pushed out through air passages?

am doing that in my science class right now. am tryna figure out the same thag. help me! :)))


What two gases increase or decrease during inhlaing and exhaling?

Oxygen and carbon dioxide increase and decrease in the lungs.


Do plants need to carry out resperation?

Yes, they do. In Biology, respiration is the process in which atmospherical gases, like oxygen or carbon dioxide, exchange with inner organisms gases; for most us, respiration is the process of inhaling and exhaling. The most common gas exchange in nature is oxygen forcarbon dioxyde and viceversa.


How does respiration excrete waste gases?

They are transported to lungs.Then removed by exhaling.


How do you avoid inhaling toxic gases?

You can wear a respirator mask.


Why does it taste funny when you cough?

You may be exhaling some gases from food as well as air from your lungs.


How does air move into the lungs during inhalation?

When inhaling, the muscles work together to increase the size of the chest space, lowering the pressure inside the lungs and drawing air in from outside. Exhaling involves relaxation of the diaphragm and intercostal muscles, reducing the volume of the chest cavity and this, combined with the lungs' natural elasticity, serves to increase the pressure inside the lungs and move air out.


Why you are inhaling only oxygen instead of inhaling other gases in atmosphere?

You actually do inhale them, they just aren't used and are exhaled along with the CO2 from the waste product of respiration.


What is difference between breath and breathe?

Breathing is act of passing air in and out through nostrils. Respiration is exchange of gases such as taking in oxygen and passing out carbondioxide by every living cell of the body.


What gases present in respiration?

All the gasses in air - with increased CO2 and decreased O2 during exhalation.