8 Amazing Facts about the Human Body That We Never Knew

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We all think that we know our body very well, though we know how our body works and different changes that occurs in our body but we don’t know some amazing about our body for instance your eyes remain the same size after birth and much more. Here are some of the amazing facts explained which are unknown to most people.

Smiling triggers 17 muscles of the face while crying activates 43, so smile more!

 Some say that it takes 43 muscles to frown and only 17 muscles to smile. This is something which said to be beneficial for us. It has a scientific reason behind it as smiling does more work in body, which result in burning of calories as smiling requires more energy for the contraction of voluntary muscles.


100,000 chemical reactions occur every second in our brains

This is one of the most fascinating fact and figure about the human brain. In each second there are 100,000 chemical reaction take place in our brain and these reactions mostly take place at night.

 Boys have fewer taste buds on the surface of their tongues than girls do.

This is the reason that why girls are more sensitive towards food than boys as they have more taste buds than boys. The studies also support the gender difference; women do indeed have more fungi form papillae (the little red dots on the front surface of your tongue) and more taste buds.


A human makes approximately 20,000 breaths per day.

A human makes approximately breaths per day, it means that a person takes about 16 breaths per minute and it concludes that we breathe 960 breaths an hour, 23040 breaths a day and 8409600 a year. This is based on a person’s average respiration rate at rest.

The total length of all the nerves in the human body is 75 kilometers

this is a fascinating fact that a human body is consists of nerves that is 75 kilometers long and the total length of our circulatory system stretches an amazing 60,000 miles which is 2 times the distance around the earth.


 The speed of an incoming brain impulse is about 400 km/h.

Electrical signals between cells in the brain’s frontal lobe grew stronger as they learned to control impulse. A nerve impulse is an electrical signal that travels along an axon and the speed of an incoming brain impulse is about 400 km/h.

Nails that are soft and brittle, with no moon, could indicate an overactive thyroid

Most of the time nails do not indicate any serious health condition but it indicates an overactive thyroid. Soft, brittle and with no moon signifies that you may be suffering from overactive thyroid. So it is better not to avoid these signs and seek doctor’s advice.

Almost all people in the world have special mites on their eyelashes called demodex.

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