*respire
There is not much oxygen
without nitrogen our bodys would over oxygenate (get to much oxygen). nitrogen is important for plants, after all they breath in nitrogen and breath out oxygen.
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.
There is only ONE Type of air. Air is a mixture of 79% nitrogen, 20% oxygen , the remaining 1% are other gases including carbon dioxide. When we breath in /inhale we take into our lungs all these gases. However, only the oxygen component is passed into the blood stream. All the other gases are exhaled/breathed out including the carbon dioxide from animated respiration.
fish have gills to breath so yeah
We get Oxygen from atmosphere.It is in air we breath.
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.
Gills are more efficient at obtaining oxygen, but there is much more oxygen in air to breath through the lungs.
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..
yes, all insects breath oxygen in and carbon dioxide out (as do all animals)