1 Gastric acid from the human stomach is so powerful that can dissolve a razor blade.

2 When we hit a certain place in the elbow feel a severe pain. This is because the cubital nerve goes through , positioned along the humerus bone. It's considered that this would be a short form of paralysis.

3 When you look at a person that you like, your pupils dilate involuntarily. The same happens when you look at someone you hate.

4 When a person dies, hearing is the last sense perceived. Sight is the first to disappear.

5 The largest cell in the body is the ovule and the smallest the sperm.

6 The most heavy "organ" of the body is the skin. It weighs 3.2 kg.

7 The latissimus dorsi is the greater muscle. This is a flat muscle on the back that kicks into action during arm movement.

8 The strongest muscle in the human body is the tongue.

9 Cells that make up the human brain can store up to five times more information than the Encyclopedia Britannica.

10 According to some research, a woman's body needs an extra hour of sleep from that of a man.

11 The human body releases enough energy in 30 minutes to heat a liter of water.

12 The human body has 206 bones.

13 The human body produces daily 13 billion red blood cells.

14 The body of a man contains: enough potassium to explode a toy cannon, enough sugar to fill a jar, enough fat to make 7 pieces of soap, enough iron to make a nail, enough sulfur to disinfest a dog .

15 The body uses 300 muscles to keep your body stable position, up.

16 The brain continues to send signals as electrical impulses for about 37 hours after death.

17 Brain growth stops around the age of 15 years.

18 Hair color depends on melanin (pigment). As we age we produce less melanin and form small bubbles that appear as gray hair.

19 If you eat the food sitting uside down the food would go up, as your muscles will continue to push food from esophagus to the stomach.

20 If the amount of water in the human body is reduced by 1% you are thirsty, and if reduced by 10% you will die.


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