ive never heard the reason why and really i dont know why...thought someone might tell me here....coolll
2006-09-23 03:03:41 · 7 answers · asked by someone... 2 in Health ➔ General Health Care ➔ Other - General Health Care
You yawn because your body needs to get more air into your system. =]
Hope I helped. You could also look it up on ask.com or askkids.com
2006-09-23 03:11:23 · answer #1 · answered by stumble__replay 3 · 0⤊ 0⤋
Lack of oxygen to the brain makes you yawn
2006-09-23 10:11:09 · answer #2 · answered by Nicole P 3 · 0⤊ 0⤋
when you are lack of oxygen [ not enough sleep] u open ur mouth wide to let oxygen in.
2006-09-23 10:12:56 · answer #3 · answered by newcomer14 1 · 0⤊ 0⤋
i think that it has something to do with lack of oxgen to the brain , not for sure sorry i could not be of more help.
2006-09-23 10:13:16 · answer #4 · answered by ann p 3 · 0⤊ 0⤋
it happens when u feel tired or bored cos ur muscles want to relax so they contract
2006-09-23 10:12:55 · answer #5 · answered by akieboy 1 · 0⤊ 0⤋
because you are not getting enough oxygen to your brain
2006-09-23 10:11:22 · answer #6 · answered by Anonymous · 0⤊ 0⤋
bcz ppl r so tyrd
2006-09-23 10:12:41 · answer #7 · answered by O'Shea 5 · 0⤊ 0⤋