A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the ... Yawning may in fact reduce oxygen intake compared to
normal respiration. However, neither providing ...
Yawning, also known as oscitation, is a bodily activity that occurs in most
vertebrates. It can be a sign of boredom, or just the body's attempt to regulate
Jul 4, 2015 ... Most interesting of yawning facts is that scientists still don't know the exact reason
why people yawn. There are over 20 theories with no ...
Mar 24, 2014 ... That's why I'm discovering the myth and fact behind several yawning conundrums
(thanks to valued help and insight from the experts). Here are ...
www.ask.com/youtube?q=Facts on Yawning&v=rWLsQIE0adg
Sep 4, 2014 ... Yawning is considered a pretty good indication of being tired or having a case of
the doldrums, but there's really so much more to it. Here are ...
The study of yawning is anything but boring. It boasts a rich history of theories
that go back to Antiquity, but thus far the biological function of yawning remains a
Take a big yawn, don't forget to cover your mouth, and wait to see how many
other people yawn. There's a good chance your yawn will be contagious. In fact ...
Aug 26, 2014 ... Here are some interesting facts about yawning below: Little Known Fact #1.
Yawning occurs as early as 20 weeks after conception. Fetuses ...
Mar 20, 2012 ... Yawning is a behavior found in fish, reptiles and birds, as well as in humans.
Described in ancient times by Hippocrates (who thought it served ...
Apr 14, 2014 ... In fact, a yawn is usually followed by increased movement and physiological
activity, which suggests that some sort of “waking up” has taken ...