The air you take in with every breath contains about 21% oxygen, but your body uses only about 5% of that oxygen.
From the book: First Aid- responding to emergencies- American Red Cross
About 21% of the air you breathe in is oxygen, which is used by your body to function normally. The rest is made up of mostly nitrogen and trace amounts of other gases.
Oxygen is what you breathe in, and what your body needs to function correctly (and what you need to survive actually)
NO
you dont die!!
Around 21% of the air you breathe is oxygen.
men
If they're underwater, they stick their eyes and nose out of the water. If they're on land, they breathe normally
Carbon Dioxide. Actually you breathe in 78% Nitrogen so... Breathe in is to all sorts of gases.
You breathe in about 78 percent nitrogen. The amount that you breathe in varies.
help the fish breathe
The function of an adult animals lungs is to breathe!
The function is so they can breathe