No doubt, we humans are the most intelligent creatures on this planet. Humans have done all the inventions and discoveries. But our body has hundreds of facts hidden inside it. Don’t you think our body is a weird machinery? So here is a list of amazing fun facts about human body.

1.  We think genes are important to humans and animals only but it is worth noticing that corn flakes contain more genes than we humans have.

2.  Normal temperature of human body is 37 degree Celsius.

3.  Have you ever thought why men testicles hang freely outside the body? Our body temperature is high for sperms. The temperature of scrotum is 36 degree Celsius which is lower than body. Sperms lose motility at high temperature.

4.  You should love your chin. You know why? Because only humans have chins. How amazing is that.

5.  We think places like toilets, bus stations, and dust bins etc. are full of bacteria. But this funny fact about human body will definitely put you in a state of shock. Our mouth contain more bacteria than the total number of people in the world.

6.  Well, even the largest cell in human body is not visible to naked eye. But unfortunately it’s wrong. The largest cell in female body is ovum. In case of males, neuron is the largest cell.

7.  The longest cell in human body is neuron. Nerve cells can be up to 3 feet long.

8.  If you are a Medical students than you know that there is a gland in our body having shape similar to pine nut. Yes, that’s right. It is pineal gland. These glands secret melatonin hormone.

9.  Do you know how many times human heart beat? During the average lifespan of human, heart beats approximately 3 billion times. Actually it’s less than I think.

10.  It is a myth that fingernails grow after death. Honestly they don’t grow after death.

11.  Although we have two nostrils but they both work in shifts. Air go in and out of only one nostril at a time, during this time second nostril take rest. The shift changes every few hours.

12.  All of us know that our body has two kidneys. This is even more interesting that we can live a healthy life with just one kidney.

13.  The largest organ in human body is skin. It makes about 15 percent weight of human body.

14.  Some people like the sound of knuckles cracking. Have you ever wondered why this sound produce? It’s due to trapped gas bubbles in joints.

15.  Human hair grow six inches per year. But there is one more thing which increase even faster than hair, it is bone marrow.

16.  Humans can’t digest leaves or grass because of the presence of cellulose. Animals like cow can digest grass because of the presence of special muscles in their stomach.

17.  Pinky promises are the strongest one. There is a big reason behind it. Pinky finger provide 50 percent strength to human hand.

18.  According to our information finger prints are the only unique pattern in human body. But actually the tongue has unique prints also.

19.  The strongest muscle in human body is located in jaws. These muscles are called masseter.

20.  Organ word didn’t originate from English dictionary. It’s a Greek word meaning “instrument”.

21.  Do you think something is so large in number that it can take 3,000 years to count them? The answer is yes. Counting human nerve cells can take three thousand year.

22.  Wisdom teeth are not related to wisdom at all. These teeth are included in vestigial organs. Our ancestors used to grind food like plant leaves, sticks and other hard components in their diet with the help of these molars. Ancient people had small brain. But with the passage of time brain grew and jaw line became small covering the third set of molars.

23.  We can say yawning is a symbol of sleepiness. But scientist doesn’t know the exact reason of why we yawn. According to some researchers, it regulate body temperature.

24.  Humans blush, when they cry or laugh loudly. Blushing is actually an emotional behaviour that occurs because of the liberation of adrenaline in our body. Emotions causes the release of adrenaline hormone.

25.  Blood constitute around 8 percent of total weight of human body.

26.  Excessive brushing can remove enamel from your teeth. Hence the teeth become sensitive to hot and cold things. This problem is known as tooth sensitivity.

27.  Olfactory organs in our nose can detect more than 100,000,000 smells. How amazing.

28.  Do you know blood vessel, Princeps Pollicis Artery, is present in our thumb due to which the thumb has its own pulse?

29. Human tongue is made up of eight muscles with structure similar to that of an elephant’s trunk.

30.  Femur is the longest bone in human body. It is also the strongest bone in our body.

31.  Human brain produce enough electricity that it can light a lightbulb.

32. Have you ever heard about a 576 megapixels camera? Sadly, humans have not created a camera like this. Surprisingly, human eye is 576 megapixels camera.

33.  Although human look different from each other. But they are 99 percent identical genetically.

34.  Yes. That’s right the sense of fear can be removed by a surgery. Amgydala (part of brain) is responsible for fear, instinct, emotion and memory. In this surgery, called Selective Amygdalohippocampectomy, half of amygdala is removed.

35.  Babies have more bones than adult humans. Babies have 326 bones. While adult humans have 206. So where these bones go when babies grow. Most of these bones dissolve some get merged.

36.  It sounds dirty but humans produce three to seven ounces of poop a day. Most humans poop once a day. Furthermore, poop is 75 percent water.

37.  The fear of constipation is called Coprastasophobia. This word is a combination of Greek and Latin words. Greek word ‘conpr’ means feces. Similarly, ‘sta’ is a Latin word, meaning, fixed.  The Greek word ‘phobia’ means fear.

38.  Human head cannot cover an entire normal size pillow. But their brain can. If you unfold the wrinkles on human brain it can cover a pillow.

39.  Human tongue can detect taste within a fraction of a second.

40.  Human shed around 600,000 skin particles every hour. It means 1.5 pounds of skin shed every year.

41.  Humans are full of bacteria. Around 4 pounds of bacteria are attached to human body.

42.  The transparent liquid discharge by different glands in mouth is known as saliva. Humans secrete enough saliva in their lifespan that it can fill two swimming pools.

43.  It is quite weird that adults blink way more than children. Adults blink 10 times in a minute while children just once.

44.  Fever when reached to 108 degree Fahrenheit can cause death. But the highest fever ever recorded is 115 degree Fahrenheit.

45. There are two parts of human body which keep growing. These parts are nose and ears.

46.  Liquid in our stomach that dissolve food and help in digestion includes hydrochloric acid. This acid is dangerous enough that it can burn skin when in contact.

47.  Human sneeze is so powerful that it can travel more than 100 mph. That’s why influenza is a common problem.

48.  One cannot count the stars in the sky. Similar is the case with the nerve cells in human brain. The nerve cells are in trillions.

49.  There are so many networks of veins in human body that if you pull them out all together from your body, they can cover the outer surface of earth four times.

50.  There are certain prints on human tongue. Don’t confuse taste buds with them. These are papillae, the resting place of taste buds.

51.  Although we don’t feel sweat in feet unless we wear socks. But there are 500,000 sweat glands in human feet. Feet are the part of human body where substantial number of sweat glands are present.

52.  If someone strike on you hard with steel rod, definitely, it would hurt you. But human bones are five times stronger than steel. You must be wondering that than why bones get fractured. It is because of their brittle nature.

53.  Liver is the largest internal organ of our body. It can be equal to the size of a football. Liver has regeneration power. It is also responsible for the production of haemoglobin and red blood cells. Liver also removes toxic from human body.

54.  The shortest bone in human body is stapes and it is present in the ear. Stapes is only 0.25 cm long. It is so small that even a grain of rice is bigger than it.

55. Humans can blink their eyes more than 1000 times in one day. The muscles that help in blink of eye are the fastest muscles in human body. These muscles are so fast that you can blink five times in one second.

56.  The word “muscle” originate from the Latin word “Musculus”which means mouse.

57.  How much time a person spend sleeping in his life? An average human spend around 33 percent part of his life sleeping.

58.  Color blindness is a genetic problem in which a person cannot see certain colors. Color blindness is of three types.

59.  Humans eat 30 tons of food during lifetime.

60.  We know snakes shed their skin after two times a year. Likewise human get new epidermis layer every 30 days.

61.  Nail biting is a psychological problem. The medical term for this problem is “Onychophagia”.

62.  You might have heard certain sounds coming from your stomach when hungry. These sounds are called Borborygmi.

63.  Finger prints play an important role in catching criminals. But what if finger prints get damaged. Don’t worry they have ability to grow back in the same unique pattern.

64.  Humans who cannot detect different smells is likely to suffer from anosmia.

65.  Best of all, the total number of hair in one eye brow is 250. These hairs have a lifespan of four months.

66.  Fingernails grow much faster as compared to toenails.

67.  Arteries contain oxygenated blood so the color of blood is bright red. While veins contain deoxygenated blood so the color is dark red.

68.  Human brain is intelligent enough that it can differentiate between millions of colors.

69.  Well, the thinnest skin is in our eyelids while the thickest one is in the feet of human.

70.  The fear of vomiting is known as Emetophobia.

71.  Just like all parts of human body have certain names. The gap between human eye brows is called Glabella.

72.  There are two intestines in human body. Large intestine and small intestine. Don’t go on their names. Small intestine is 20 feet long while large intestine is 5 feet long. Though large intestine is wide in diameter.

73. Lips get dry soon because there are no glands in human lips. In 1880, people used to treat chapped lips with earwax.

74.  An average person farts 15 times a day. Well, that’s too much.

75.  Momnesia or pregnancy brain is a condition in which brain of a pregnant woman get shrink. Pregnancy doesn’t change your brain. Although women become forgetful during gestation.

76.  The daily activities causes cartilage in our knees to shrink a little. While at night it goes back to its normal relax state. That’s why we feel slightly taller in morning than at night.

77.  In starvation body cells begin to eat other cells. This process is called Autophagy. Moreover, dieting provoke brain cells to eat themselves.

78.  “Lung” is a German word meaning light.

79.  Why listening to music feels so good? The reason is our heart beat sync with the rhythm.

80. In humans, left kidney is slightly higher in position than the right one.

81.  Human brain can survive about six minutes without oxygen. When the heart stops the cardiopulmonary resuscitation diminish due to which brain cells begin to die after six minute.

83.  There is a part of human body which get no blood supply. This part is cartilage, it survives wholly on oxygen.

84.  Belly button is home to approximately 67 species of bacteria.

85.  Humans cannot eat and breathe simultaneously.