Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Sign in with Amazon

Science

What do humans breathe in?

Like other things in life, breathing isn't that simple. What we breathe in is far from pure oxygen, but roughly by volume 78 per cent nitrogen, 21 per cent oxygen, 0.965 per cent argon and 0.04 per cent carbon dioxide (plus some helium, water and other gases).

{{ relativeTimeResolver(1570426583473) }}

LIVE

Points

189

Rating

Similar Questions

Sign in to view all similar questions

Do humans breathe in oxygen?

Science • 1 Answer

What do humans breathe out?

Science • 3 Answers

Can humans breathe in space?

Science • 3 Answers

Why can't humans breathe underwater?

Science • 3 Answers

Can humans breathe on mars?

Science • 3 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world