Hidden Fact 9

The cornea has no blood vessels. The cornea is nothing but a vital and transparent part of the eye that provides us most of our optical power and ability to focus, as there are no blood vessels the cornea receives nourishment from the tears and aqueous humor (a fluid in the anterior portion of the eye) that fills the chamber behind it. and it gets its oxygen directly from the air. the cornea is the fastest healing tissue of the human body, which can heal most of the problems within 24-36 hours.

Ears are the fastest sense of the human body. Yes, you heard that right among all the senses of the human body hearing is the fastest. We can recognize a sound in about 0.05 seconds.

When we lose or gain weight, our fat cells don’t vanish, they just get contracts and expands. They get a contract when the fat contents of the fat cells are used for making energy and expand again when the fat contents are restored. The waste product (mainly co2 and water ) is left when the contents of the fat from fat cells are used for generating energy for the body. Then are thrown out of the body by breathing, sweating, and urination.

The reason behind it will make you laugh. It is because it’s the sign to show that the person you are shaking hand with is not holding any type of weapon in their hands and wants peace and not fighting. 

Our fingers don't have muscles(except the arrector pili muscles). Yes, our fingers don’t contain any muscles, in-fact the muscles that control the movement of the fingers are present in the palm and the forearm. The muscles used to close your hand is known as flexors, and the ones that use to open your hand are known as extensors.

Our nose and ears never stop growing in our whole life. As we get older the maximum parts of the human body stop growing after one age. but some parts of our body like the noses, earlobes, and ear muscles keep getting bigger and never stop growing the entire life. This is because they are made up of mostly cartilage cells, which never stop growing and get bigger and bigger as we get older.