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Approximately 20%.
The nitrogen we bresth in remains inert, and is just exhaled, with the carbon dioxide.
What else can I help you with?
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
How many percent of oxygen did you breathe?
On average, humans breathe in about 21% oxygen from the air.
Humans breath in oxygen and realease gas?
Yes, humans breathe in oxygen from the air and release carbon dioxide as a waste product of cellular respiration. This process allows the body to produce energy from food.
What element makes up about 80 percent of the air you breath?
Nitrogen makes up about 78% of the air we breathe, with oxygen making up around 21%.
What is the percent of oxygen in dry air?
The percent of oxygen in dry air is approximately 21%.
Do you breath air?
Yes. All humans breath a type of air called oxygen. Without oxygen we would die.
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
Which gas is 20 percent the air that you breath?
Oxygen
What does air produce?
Air produces oxygen for humans to breath and also plants
Do birds breath oxygen?
Birds breath air, just as we humans do, their respiratory system extracts the oxygen which they need to live, again just as we do.
What percent of the air we breath is oxygen?
Roughly 21% of the air we breathe is oxygen. Nitrogen makes up about 78% of the air, with the remaining 1% composed of various other gases.
What forms 20 percent of air?
Oxygen makes uo 20% of the air we breath.
How many percent of oxygen did you breathe?
On average, humans breathe in about 21% oxygen from the air.
What is the percent of oxygen is released in an exhale?
hi, as we breath in we breath in about 20% oxygen, we breath out 16%.. we only use about 4% of the oxygen we breath in..
Once Oxygen is breathed is it inert or If not with out trees is it possible that humans could one day breath up all the oxygen?
=whene u breath out air that comes out is filled with oxygen tree=
What keep humans alive?
air water food
What percent of the air in the atmosphere is in this layer humans live in?
22% oxygen at sea level
