2006-07-02 11:37:42 · 21 answers · asked by rodlyn_joseph 1 in Health ➔ General Health Care ➔ Other - General Health Care
it is cause we are like not breathing enough or something like that. if you yawn, notice you are breathing in.
2006-07-02 11:39:33 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Low oxygen levels in the lungs cause us to yawn.
2006-07-02 18:41:55 · answer #2 · answered by goodbye 7 · 0⤊ 0⤋
Our Bodys are trying to get a lot of oxygen to our body in the fastest way possible....Yawning would be the quickest way
2006-07-02 18:40:32 · answer #3 · answered by ? 3 · 0⤊ 0⤋
A build up of carbon dioxide forces you to take a large breath.
When you are sleepy your body metabolism slows down and you breath less. So if you are still active you may have to draw in more oxygen.
Yawning is contagious, as proved by The Mythbusters, on the Discovery Channel. The reasons for that aren't well known, but it could be a case of "Monkey see, monkey do."
2006-07-02 18:42:14 · answer #4 · answered by Dan S 7 · 0⤊ 0⤋
Yawning is a response to lack of oxygen. When we yawn we take in more.
When you get tired, your pulse gets slower, and you heart and lungs work slower. Thus , you take in less oxygen..
2006-07-02 18:41:48 · answer #5 · answered by cheeky chic 379 6 · 0⤊ 0⤋
A more recent hypothesis is that yawning is used for regulation of body temperature.
2006-07-02 18:41:23 · answer #6 · answered by Anonymous · 0⤊ 0⤋
It helps to relieve our tension whatever the build-up. Cats yawn and dogs too and they don't feel guilty about it.
2006-07-02 18:45:59 · answer #7 · answered by nischal 3 · 0⤊ 0⤋
every time we yawn we are giving our brain air we NEED to yawn
2006-07-02 18:42:07 · answer #8 · answered by shaunna j 2 · 0⤊ 0⤋
To exercise our lungs, which not only gets oxygen into the bloodstream but may speed up our heartbeat a bit, requesting a bit of blood sugar be released into the system, cause our brains want a bit more "fuel".
2006-07-02 18:40:50 · answer #9 · answered by Pegasus90 6 · 0⤊ 0⤋
Because someone else does it first or even if someone mentions it, darn it you got me yawning now.
2006-07-02 18:43:30 · answer #10 · answered by rufus_t 2 · 0⤊ 0⤋