25 Amazing facts about eye

Eyes are a great gift of nature. Most of the information we get about our environment is through eyes. It is very complex organ of the body that works in a coordinated fashion with a lot of parts being involved in its function. Here are some of the interesting and amazing eye facts you might not have known so far.

1. Average time taken to blink an eye is about 1/10^th of a second. It is very fast and often out of our control. It goes on unconsciously.
2. Although science has made much progress in the field of medicine and surgery, with a most body parts being transplanted, doctors are not yet able to transplant an eyeball. The optic nerve that is the connection between the eye and the brain is too sensitive to be reproduced.
3. On an average, a person blinks about 12 times in a minute, 14,280 times in a single day and about 5.2 million times in a year.
4. Seeing is not a simple task. It is so complex that half of the brain is involved in this task, to analyze the coming signals and show the right picture at the right time.
5. Eye muscles are the most active ones of the whole body. The common phrase, ‘in the blink of an eye’ really means something being done at great speed.
6. More than 80% problems related to eyes and vision are avoidable if proper knowledge for the cure of eyes is given to people. If some problem arises, it is curable.
7. With passing age, the eye lens loses the ability to focus. That is why people use reading glasses after the age of 43.

Why do we have 32 teeth?

Adult humans have 32 teeth in their mouth. These teeth perform different functions. Let’s know some details about how all these teeth names, how they work in our mouth and the teeth numbers.

Incisors are the first set of eight teeth present in the front row. Four of them are in the upper jaw and four in the lower one. Their main job is to bite the food that is being eaten. In addition to that, they also prevent the food from coming out of the mouth. It is therefore; always better to keep your mouth shut when you have food in it. They are the first set of teeth to appear in children at the age of 6 months.

Canines teeth are the second set of teeth adjacent to incisors. They are four in number. They start appearing at the age of nine. Their main function is to tear and rip the food apart, mainly meat. As the meat is hard to cut as compared to vegetables, canines are of great help in this matter. That is why they are the sharpest of all teeth.

9 Facts About Sneezing You Didn't Know

Sneezing is an important part of our body’s defense mechanism. Through this process, the body removes an irritation from the nose, caused by intake of any foreign object through breathing. When we breathe, the foreign particles enter our nose. Sensors present inside the nose detect these foreign objects. They further signal the cilia, which are hair like paddles lining our nostrils and sinuses, to create a movement to expel the foreign bodies. The burst of air produced by sneeze clears all the nasal passageways expelling the irritants out of the nose. The nose is often underestimated in the efforts of taking care of our body’s health. The common irritants causing the sneeze include dust, cold air or pepper. People allergic to some other objects might also trigger sneezing. Whenever any of these objects tries to attack the system while entering through the nostrils, the sneeze system comes into play and saves us from many germs and bacteria who could have made a permanent home in the moist area inside our nostrils. The system really helps keep the body healthy. Here are some of the strange facts about sneezing that you might not have known before.

1. We always close our eyes while sneezing. This act and involuntary and we are unable to keep our eye open while sneezing. This proves it is good to close the eyes while sneezing.