1. The Amazon rainforest produces more than 20% the world's oxygen supply.

2. Your brain uses between 20 - 25% of the oxygen your breathe

3. 70% of the oxygen we breathe is produced by the ocean.

4. At high altitudes, your blood absorbs less oxygen which causes a lack of mental sharpness.

5. Men have bigger noses than women because their bodies need more oxygen to feed their larger muscles, researchers say.

6. A fish can drown in water. Like humans, fish need oxygen, so if there isn't enough oxygen in the water, they will suffocate.

7. Each person breathes 8.5 million times per year, while all of humanity inhales 6 trillion kilograms of oxygen every year.

8. You can make your own water by mixing hydrogen and oxygen in a container and adding a spark.

9. The brain uses more than 25% of the oxygen used by the human body.

10. Yoshiro Nakamatsu, inventor of the floppy disk, believed lack of oxygen helped him think and nearly drowned himself coming up with ideas.

11. Your brain uses between 20 - 25% of the oxygen your breathe.

12. It requires seven to eight trees to provide enough oxygen for just one person per year.

13. If you were pushed from a spaceship without a suit, you would not die from cold or pressure, like in movies, but simply lack of Oxygen.

14. What if oxygen is poisonous and it just takes 75-100 years to kill us?