1. Hugging releases oxytocin, which helps to heal physical wounds, makes
someone trust you more!2. Do you know that your toe-prints are also unique, just like your finger prints !
3. You know, you have no sense of smell when you're sleeping!
4. An average person has over 1,460 dreams a year!
5. The human body has enough iron in it to make 3 inches long nail. Source
6. Resisting to sneeze is not good.
7. While sleeping, one person out of every eight snores, and one in ten grinds his teeth
8. All babies are colour blind when they are born, so they only see black and white.
9. Weight of the eyeball! The eyeball of a human weighs approximately 28 grams.
10. People generally read 25% slower from a computer screen compared to paper.
11. Do you know, it is impossible to sneeze with your eyes open!
12. And do you know, it is impossible to hum while your nose is plugged close!
13. Your brain is move active and thinks more at night than during the day.
14. Do you know what is Uvula? It is the small piece of the small tissue dangling over the tongue.
15. Now this is cool, the tongue is the strongest muscle in the human body.
16. And did you know that our fingers don't have any muscles? The muscles which move our finger joints are located in the palm and up in the forearm.
Source
17. An adult human body contains approximately 100 trillion cells!
18. Your tongue has 3,000 taste buds.
19. Do you know, your brain is 80% water?
20. No pain in the brain! Do you know our brain does not feel pain! Even though brain processes pain signals, the brain itself actually does not feel pain.
21. Bones in an adult account for 14% of the body's total weight.
22. The tips of your fingers have enough strength to support the weight of your whole body
23. When you are born with 300 bones in their body, but as an adult you only have 206 bones. This happens because many of them join together to make a single bone.
24. The outsides of a bone are hard; they are light and soft inside. They are about 75% water.
25. The strongest bone in your body is the femur (thighbone), and it's hollow!
26. The smallest bone in the human body is the stapes bone which is located in the ear, it is also called
stirrup.
27. Men get hiccups more often than women.
28. A sneeze can exceed the speed of 100 miles per hour. When a sneeze leaves your body, it is at such a high speed that you should avoid suppressing it.
29. It takes food only seven seconds to go from the mouth to the stomach via the esophagus, pretty fast! Right?
30. Enamel is hardest substance in the human body.
31. Fingernails grow nearly 4 times faster than toenails!
32. Women hearts beat faster than men. Also women blink more than men!
33. In one day ,your heart beats 100,000 times.
34. The normal pulse is 70 heartbeats per minute.
35. Blood is such a good stain that Native Americans used it for paint.
36. Did you know that Blood is 6 times thicker than water? Source-[google.com]
37. Our kidneys filter about 1.3 liters of blood every minute and expel up to 1.4 liters of urine in a day.
38. The capacity of an adult human bladder ranges from approximately 600 ml to 800 ml. The exact maximum capacity varies from person to person. But remember that the urge to urinate is triggered when the bladder contains about 100 to 200 mls , much lower than full capacity. As the bladder fills with fluid, receptors in the bladder wall get stretched.
39. Do you know a woman has approximately 4.5 liters of blood in her body, while men have 5.6 liters?
40. Your blood takes a very long trip through your body. If you could stretch out all of a human's blood vessels, they would be about 60,000 miles long. That's enough to go around the world twice.
41. Did you know that, our heart (which is one of the main muscles ) is so powerful that it can squirt the blood no less than 9 meters high? It's because it’s programmed to deliver the blood even in the less accessible areas of the body, like the toes and the fingertips, and therefore, in order to do this, it’s necessary for the heart to create lots of pressure inside the veins.
42. People with darker skin will not wrinkle as fast as people with lighter skin.
43. The reason honey is so easy to digest is that it’s already been digested by a bee.
44. The only part of the body that has no blood supply is the cornea in the eye. It takes in oxygen directly from the air.
45. The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
46. Women blink nearly twice as much as men.
47. It takes about 20 seconds for a red blood cell to circle the whole body.
48. Every drop of blood in your body is filtered by your body over 300 times a day.
49. Babies are born with pink lungs but they darken in color as we breathe in polluted air.
50. Your right lung is bigger than left lung! The left lung is small so as to adjust heart in that part !
51. Human hair and fingernails continue to grow after death.
52. You burn more calorie while sleeping than watching TV.
Source
53. Most humans tend to forget a lot of things if they have amnesia. But they don't forget their mother language.
54. In India some people brush their teeth with neem stem.
55. Almost half of total bones in human body are in hands and feet.
56. The Hyoid bone, in your throat ,is the only bone in your body which not attached to other bone.
57. Your skeleton keeps changing every 10 years, that means your bodies keep renewing themselves so every 10 year you have a new skeleton.
58. The word Karate means, "empty hand”.
59. The best time for a person to buy shoes is in the afternoon. This is because the foot tends to swell a bit around this time.
60. Do you know left hand side of your brain controls right side of your body whereas right-hand side controls left part of body.
61. Do you know everybody has a strong eye and one weak!
62. Pupils in eyes get their name because the picture they give is small ,like schoolchildren !
63. Rods and cones are the two types of light sensitive cells in your eyes.Rods tell about brightness of color but cones tell about what color it is. Cones don't work well in night ,that is why colors look gray at night!
64. The brain grows quickest till the age of 5.!
65. A normal human being can survive for 20 days without eating but it can survive only for 2 days without drinking!
66. Your blood carries food and oxygen to all of your body.!
67. Body fat is not particularly hazardous to health until the level of total body fat reaches 35% for men and 40% for woman.
68. About 90% of what we eat is assimilated in the small intestine.
69. Human bones consist of 50% water and 50% solid material.
70. 14 bones make up the human face.
71. It is considered that average quantity of blood in a man is 6.8 liters, whereas it is 500 ml less in an average woman.
72. Hair is made of protein and keratin and has no blood supply. And common belief that shaving facial hair makes them grow faster or thicker is not true.
73. An average person has 100,000 hairs on his/her head. Each hair grows about 5 inches (12.7 cm) every year.
74. There are 60,000 miles (97,000 km) of blood vessels in each human.
75. The average adult can read 150 to 200 words per minute and the vocabulary of an average person consists of only 5,000 - 7,000 words.
76. The only part of the body that has no blood supply is the cornea in the eye.It takes in oxygen directly from air. Source
78. See free Human Body Systems - education videos by clicking here Science Learning for 6-12-year-old kids
79. On average 25% of the humans don’t like to take baths!
80. Your thigh bone is stronger than concrete.
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