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There are many causes of Yawns. Here are some:
Fatigue and sleepiness
Stress
Boredom
Insufficient oxygen in the blood
Migraine
Headache
Stroke
Epilepsy
Coma
Cardiac conditions
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∙ 11y ago
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Are humans the only ones that yawn?
No, dogs do yawn too. I hope some other animals also yawn.
Why humans yawn?
Because when you get sleepy your body goes into a sleep mode and takes in less air but since your awake and need more air you yawn to get 'emergency' air. Hope that helped
Do you yawn when you need more oxygen?
yes yes. Dogs yawn when there brain slows because of lack of oxygen, so it should be the same for humans That is true and YES it means you are *TIRED*
WHY WE YAWN?
When we are sleepy or drowsy then our lungs don't take enough oxygen which increases carbon dioxide in our body. The brain senses this and sends us a messages that causes us to yawn. By Akhilesh Sharma
Do dogs yawn because their owners yawn?
No. They yawn for the same reasons we do.
Are humans the only ones that yawn?
No, dogs do yawn too. I hope some other animals also yawn.
Why do budgies yawn?
Same as humans because there tired
Why ants yawn in human manner?
They don't. Ants have a completely different respiratory system to humans.
Why humans yawn?
Because when you get sleepy your body goes into a sleep mode and takes in less air but since your awake and need more air you yawn to get 'emergency' air. Hope that helped
Do you yawn when you need more oxygen?
yes yes. Dogs yawn when there brain slows because of lack of oxygen, so it should be the same for humans That is true and YES it means you are *TIRED*
WHY WE YAWN?
When we are sleepy or drowsy then our lungs don't take enough oxygen which increases carbon dioxide in our body. The brain senses this and sends us a messages that causes us to yawn. By Akhilesh Sharma
Do dogs yawn because their owners yawn?
No. They yawn for the same reasons we do.
What causes you to yawn?
We yawn because when we breath through our mouths it brings in more oxygen than when we breath in through our noses. ( which is what most people do.) Sometimes, our brain doesn't think that its getting enough oxgen so it makes you yawn. Try yawning now - feel how much oxgen comes into your mouth? That's why.
Why do many yawn when one yawns even out of sight?
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 ?
What causes the ear to pop?
well all the chemical and stuff In your ear and the cartilage it usually pops when u yawn or sneeze
Does a snail yawn?
yes they yawn quietly
Why do you yawn in your sleep?
how do you know you yawn if you are sleeping?
