Why do people yawn?

Genius Hour


Why do people yawn?

People Yawn cause they are broed,tired or even hungry. 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.

Why did I chose this topic?

I chosed this topic cause I had a hard time then my older sister (Jessica) gave me the idea and I went with it so spical thanks to her.

other facts :)

~No one auctllay turly knows why we do it.

~animals yawn also.

~Yawns are contagous.

~Yawing can be a sign of a disease.

~Usally a Yawn lasts about 6 seconds.

The End hope yall learned something new!!!!!