Twenty Unbelievable Facts About The Human Body


Scientists continue to study and discover new things about the human body. Even after years of research, the human body is still not fully understood in depth because its complexity and intricacy knows no bounds. There are processes and things happening within you right now that you do not notice no matter how aware you are. The human body is an incredible structure. If you need more proof, here are twenty unbelievable facts about the human body.

1. An average human body have about 60,000 miles of blood vessels, enough to circumnavigate Earth two and a half times.

2. Your brain generates about as much power as a 10-watt light bulb in order to work or operate even when you’re sleeping.

3. Tissues in your body need blood supply in order to function efficiently. So when you gain about a pound of fat, your vascular system accommodates it by adding seven more miles of blood vessels. On the other hand, if you lose a pound, your body will break down and reabsorb the excess blood vessels.

4. The human brain has a potential capacity to hold a total of about 2.5 million gigabytes of data in memory. This amount of data is as much as 300 years’ worth of video.

5. The sound you hear when you crack your knuckles, neck, back, and other joints is caused by the popping of bubbles in the joints’ fluid. Contrary to common belief, cracking a joint is not terribly harmful. However, it can hurt the ligaments around the joints when done too frequently.

6. Your nose can remember up to 50,000 different scents.

7. Your brain uses nerve impulses to send and receive data or information from other parts of the body. These nerve impulses travel to and from the brain at speeds of up to 250 miles per hour.

8. The fastest growing hair on the body is facial hair. In fact, if a man never shaved his beard, it can grow to over 30 feet in length, longer than a killer whale.

9. You are actually about half an inch taller in the morning than in the evening due to the excess fluid that replenish between your spinal discs while you are sleeping. Throughout the day, your spinal discs become compressed because of being upright so the fluid seeps out.

10. New-born babies are unbelievably strong for their bodyweight in that they can hang on a bar and support their own weight right after delivery. They will lose this ability within a few weeks, however.

11. Sweat doesn’t really smell bad. Body odour is caused by the waste products of the skin bacteria when they feed on sweat.

12. Humans shed about 600,000 of dead skin cell particles every hour.

13. Humans shed a total of about 40 pounds of skin in their lifetime. After all, humans completely replace their outer skin every month.

14. An average adult is made up of about 7,000,000,000,000,000,000,000,000,000 or 7 octillion atoms. In comparison, there are only 300,000,000,000 or 300 billion stars in the galaxy.

15. If you’re wondering why you can’t keep your eyes open when you sneeze, it’s because sneezes exceed 100 miles per hour. This is also why you should cover your mouth when you sneeze.

16. Your body constantly produces heat in order to accommodate all the bodily processes going on. In fact, your body generates enough heat in only 30 minutes to boil a half-gallon of water.

17. Humans have about 10,000 tastebuds that get replaced every two weeks.

18. An average person blinks about 13 times per minute and women blink twice as much as men.

19. You will produce enough saliva in a lifetime to fill two swimming pools.

20. One of the elements needed by your body is Iron. Your body has enough Iron to make a nail of about 3 inches long.