Excess carbon dioxide in the back of your throat simply releases itself in the form of yawning.
We yawn because We yawn because we need to get rid of CO2, so that would mean if you don't yawn you will eventually die from hypercapnia (too much CO2)!
Try holding your breath for a couple seconds and See what happens
Because you are forcing yourself and thinking about it. You yawn because it happens randomly when you don't think about it. But if you think about it too hard, your body thinks it needs privacy if u know what i mean.
No. They yawn for the same reasons we do.
they yawn because when you yawn it passes on to other people . so you yawn then someone's right next to you then i think they inhale then they start to yawn ?
We yawn because We yawn because we need to get rid of CO2, so that would mean if you don't yawn you will eventually die from hypercapnia (too much CO2)!
Try holding your breath for a couple seconds and See what happens
Because you are forcing yourself and thinking about it. You yawn because it happens randomly when you don't think about it. But if you think about it too hard, your body thinks it needs privacy if u know what i mean.
No. They yawn for the same reasons we do.
they yawn because when you yawn it passes on to other people . so you yawn then someone's right next to you then i think they inhale then they start to yawn ?
It's not unusual for dogs to make noises when they yawn. The same thing happens to people also. It can be caused by the muscle contractions and air passing during the yawn.
yes they yawn quietly
how do you know you yawn if you are sleeping?
No whales do not yawn.
Yes, yawn is an onomatopoeia.
Insects do not yawn. People necessarily do not yawn only when they are tired. Most people, after reading this, will yawn.
A yawn is normally a response to a change in activity, although if you did not get enough sleep, you could become tired and yawn.