How do we breathe only oxygen?

Related questions

1. Does oxygen water really work?
2. Why did NASA use pure oxygen?
3. What are 4 physical properties of oxygen?
4. What Colour is oxygen?
5. Would you die if you breathe pure oxygen?
6. Does oxygen make you sleepy?
7. What are the side effects of using oxygen?
8. Can humans breathe liquid oxygen?
9. What is the importance of oxygen?
10. Can you add more oxygen to water?

Tags

1. #waste
2. #oxygen
3. #along
4. #nitrogen
5. #basically
6. #breathe
7. #diffusion
8. #fills
9. #taken
10. #exhaled
11. #gases
12. #while
13. #blood
14. #alveoli
15. #stream
16. #process
17. #other