30 mind blowing facts about your body

Have you ever thought about the hidden secret of some parts of your body weither the vital or non vital parts?Today I will list the mind-blowing things that you never knew about your body and you can still observe some if you can:

1. The heart is about the size of a clenched fist and weighs about 300 grams. When at rest,the average human heart contracts and relaxes about 70times per minute and pumps about 14000 litres of blood a day.During exercise,this rates goes up to over 100.
2. The average lifespan of a human hair last about 3 to 7 years aside from being flammable,human hair is exceedingly difficult to destroy even with most strongest acid
3. Women blink twice as much as men
4. New born babies can only see black and white when they are born
5. They are over 206 bones in a fully grown adult body
6. Your brain is more active and thinks more at night than during the day as from 12AM
7. Your cornea(it is like a window that controls and focuses the entry of light into the eye)it is the only part of your body without blood supply,it gets its oxygen directly from the air
8. The heart and the reproductive organ are the only two organs in the body without no muscles
9. During your life time,you will be able to produce enough saliva that can fill two swimming pools
10. From age 60 you will have lost half of your taste buds
11. The higher your IQ,the more dreams you have
12. Your brain uses upto 20% of all your body's oxygen and calories
13. Don't be decieved by people telling you that the brain or liver is the largest organ in the body,but actually is the skin
14. Your stomach acid is even strong enough to dissolve razor blades
15. You are about 1cm shorter at night because the cartilage between your bones is compressed during the day
16. Men are the only human being that can reproduce till death unlike women who reaches menopause stage
17. After eating too much,your hearing is less sharp
18. Nails and Hair don't continue to grow after we die.They do appear longer when we die,but it's not that the fingernails and hair are growing,but the skin around them has dehydrated,the skin dries out and retracts which makes the hair and the nail appear longer
19. Babies are born with 300 bones but by Adulthood the number is reduced to 206.The reason for this is that many of the bones that are not yet fused like those in the skill,this makes it easier for baby to pass through the birth canal,the bones then harden and fuse as the child grows
20. Smallest organ in your body is the pineal gland located deep inside the brain,the gland exists to produce a hormone vital in the regulation of the body clock
21. Your body produces enough heat in only 30minutes to boil an half-gallon of water
22. Your brain operates on the same amount of power as 10 watt light bulb
23. The fastest growing nail is on the middle finger
24. Everyone has a unique smell,except for identical twins
25. The strongest muscle in your body is the tongue
26. Your teeth is the only part of the body that can't repair itself
27. Your brain is a very wrinkly organ if you spread it out,your brain could be about the size of a pillowcase.
28. You blink your eyes over 10,000,000 a year
29. It is impossible to sneeze with your eyes open
30. Your eyes remain the same size after birth but your nose and ears never stops growing