You breathe out 16.3% oxygen.
Approximately 21% of the air we breathe is made up of oxygen.
Oxygen makes up approximately 21% of the air we breathe.
100%. All of the oxygen that I breathe comes from the air! The answer that you were probably after, but did not ask, was about the percentage of oxygen in the air that we breathe. The questions may sound similar but they are not the same. The answer is a little over 20%.
breath in breath out breath in breath out
Yes it is a mixture of nitogen, 80% oxygen 18% and carbon dioxide and other gases 2 % Intrestingly humans breath in then breath out most of the taken oxygen in each breath, only consuming a small percentage, thus we can reveive someone using mouth to mouth resusitation.
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.
we breath in oxygen and plants breath co2
We get Oxygen from atmosphere.It is in air we breath.
fish have gills to breath so yeah
Yes. All humans breath a type of air called oxygen. Without oxygen we would die.
The astronauts breath as they have an oxygen tank which they keep attached with their space suit.
To breath more freely in open air. Percentage of oxygen in water is less for big creatures like whale. Therefore, sometimes they come out of water for more oxygen.