All about Yawning
Yawning is a bodily activity common in most of the vertebrates. It is also known as oscitation. In humans, it occurs as early as 20 weeks after conception. It also has been proved that it is contagious and we will most probably yawn when someone next to us does the same. It is even more...
Posted in Human Body | Tags : Yawning Facts, all about Yawning, Facts about Yawning, Yawning Facts for Kids, Yawning Fun Facts
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