💡 Brighten your style with our MERCH (ships worldwide!): http://bit.ly/2OJubyA Whenever we yawn, muscles in our mouth and tongue can squeeze some of the saliva-producing glands in there. As a result, we might squirt a tiny stream of saliva without even noticing it! Yeah, just like a spitting cobra! But what is saliva anyway? And what about tears? Or how much information does your brain hold? Here are the most surprising human body facts I bet even your teachers don't know! #brightside #bodyfacts Animation is created by Bright Side. ---------------------------------------------------------------------------------------- Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz ---------------------------------------------------------------------------------------- Our Social Media: Facebook: https://www.facebook.com/brightside/ Instagram: https://www.instagram.com/brightgram/ 5-Minute Crafts Youtube: https://www.goo.gl/8JVmuC Stock m