You may think you know your body well, how it works and the kinds of changes that take place every minute. But in fact, you do not know your body that well as it is an incredibly complex and intricate system.
It is so complex that it sometimes baffles even the most qualified doctors, specialists and researchers.
Your body is many things and there is a lot you need to know about it. From sneezes to fingernail growth, here are 18 interesting facts about the human body.
1. The number of bacteria in a person’s mouth is equal to the number of people living on earth, or even more.
2. Our blood ’runs’ the distance of 19,312 kilometers over the course of just one day.
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3. The total length of all the nerves in the human body is 75 kilometers.
4. On a daily basis, a human makes approximately 20,000 breaths.
5. Throughout your live, your ears and nose keep on growing while your eyes remain the same size.
6. The heart beats about 100000 times a day and about 35 million times a year.
7. Boys have fewer taste buds on the surface of their tongues than girls do.
8. You will produce enough saliva to fill two swimming pools during your lifetime.
9. Crying triggers 43 muscles of the face while smiling triggers 17. So smile more.
READ ALSO: 5 diseases that can be treated with laughter
10. Fingernails grow nearly four times faster than toenails. The nail on the middle finger grows faster than the other fingernails.
11. The acid in your stomach is strong enough to dissolve zinc. The reason it does not destroy the stomach is because the stomach walls are renewed faster than they are destroyed.
12. The colour of a human’s skin is determined by the level of pigment melanin that the body produces. Those with small amounts of melanin have light skin while those with large amounts have dark skin.
13. The largest cell in the body is the female egg and the smallest is the male sperm.
14. The speed of your sneeze is 160 km/h.
15. Just like everyone has a unique fingerprint, everyone also has a a unique smell and tongue print.
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16. Your body produces enough heat in only thirty minutes to boil a half-gallon of water. From exercising, metabolizing food to maintaining homeostasis, you produce heat from all that is going on.
17. There are so many nerve cells in a human brain that it would take almost 3,000 years to count them.
18. There are more than 600 individual skeletal muscles and 206 bones in your body.
There is plenty more you need to know about the human body.
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