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

Science

What happens when you yawn?


As this theory goes, our bodies take in less oxygen because our breathing has slowed. Therefore, yawning helps us bring more oxygen into the blood and move more carbon dioxide out of the blood.

{{ relativeTimeResolver(1569344799933) }}

LIVE
Points points 280
Rating 0

Similar Questions
Sign in to view all similar questions
Science 2 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE