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1- Do you know how many times our eyes blink, in one minute?
Our eyes blink approximately between 15 and 20 times, a minute. That equals to, minusing the hours that we’re sleeping, about 14 thousand times a day! It’s tiring just thinking about it…
2 - Did you know that babies cry without tears?
Yes, Yes, most newborn children cry with no tears. This occurs because babies’ tear ducts are developing until, normally, four weeks after they are born. From then on, they cry with tears, and some screaming.
3- Did you know that it’s impossible to sneeze with your eyes open?
According to scientific studies when we sneeze, we close our eyes as an act of reflex to protect our eyes of all bacteria that comes out of our nose and mouth when we sneeze.
4- Do you know why we blink?
It’s due to hygiene, to cleanliness. Our eyes blink because this way they are always clean and humid. We also blink to protect ourselves, for example when a bright light bothers us,, or when an object comes near us and can damage our eyes.
5- Do our eyes grow?
While our nose and ears grow throughout our whole life, our eyes remain almost the same size our entire life. Imagine what we would look like if they never stopped growing… we would look like aliens!
Another amazing fun fact about the human body, don’t you think?
Goodbye Happy friends! See you in the next Happy Learning video!