21.5%
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
Oxygen
You breathe out 16.3% oxygen.
Nitrogen and oxygen make up more than 95 percent of an inhaled breath. Nitrogen accounts for about 78 percent, while oxygen makes up around 21 percent.
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..
Oxygen makes uo 20% of the air we breath.
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.
To breath by extracting oxygen from the water.
No!It's so not worthy to spend such precious money on 100% pure oxygen!Ha!Ha!
breath in breath out breath in breath out
animals usually depend on plants for oxygen. we breath out carbon dioxide and breath oxygen in, same with animals. and plants breath that carbon dioxide in and and breath out oxygen.
Planning on going to a trip? Take your own oxygen with you, since you can't breath on Mars. 95.32 percent of Mars' atmosphere contains carbon dioxide. Oxygen level is 0.13% on Mars.