How do you know if your oxygen is low?

Related questions

1. What are the dangers of low oxygen levels?
2. Is oxygen saturation 94 normal?
3. Does drinking water help depression?
4. Does exercise help low oxygen levels?
5. What causes oxygen saturation to drop?
6. What level of oxygen saturation is dangerous?

Tags

1. #breathing
2. #chest
3. #following
4. #rapid
5. #potential
6. #result
7. #shortness
8. #heartbeat
9. #breath
10. #blood
11. #abnormal
12. #oxygen
13. #cause
14. #levels
15. #circulation
16. #symptoms