We tend to think that we know our own bodies perfectly. We know how they work and what kinds of changes and processes are occurring in them every second of the day. But in fact, the human body is one seriously complex and mysterious mechanism that sometimes confuses even the most qualified specialists — doctors and scientists.

1: The heart beats 35 million times a year. Yes, 35 million. A year!

2: The average person consumes about 35 tons of food during his or her life.

3: Smiling triggers 17 muscles of the face while crying activates 43. So smile more!

4: . The Brain is a very wrinkly organ! If you spread it out, your brain would be about the size of a pillowcase. By the time you are six years old, your brain is already 90 percent of the size it will be when you are an adult

5: A tongue print is absolutely unique; remember this when showing it to somebody!

6: Picture of a liver. The liver has an amazing ability to grow back if part of it is removed due to injury, disease, or surgery. It will even grow to be just the right size for the body it’s in.

7: Some people can hear their eyeballs moving around in their head.A disorder of the inner ear causes every sound within the body to be amplified, including eye movements

8: A human eye can distinguish between approximately 10 million different colors

9: The cracking sound made by knuckles, necks, backs, and other joints when they’re cracked is the sound of bubbles popping in the joints’ fluid. Is it harmful? Not terribly. But cracking a joint too often can hurt the cords, called ligaments, that surround the joint

10: Considering all the tissues and cells in your body, 25 million new cells are being produced each second

11: In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.

12: Most people have lost fifty per cent of their taste buds by the time they reach the age of sixty.

13: A Human being can expect to breathe in about 45 pounds of dust over his/her lifetime.

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

 15: We give birth to over 200 billion red cells every day.


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