Human Body Facts
General Knowledge : Human Body Facts
| 14 bones make up the human face. |
| 200 muscles used to take one step. |
| A baby born with 300 bones in their body, but as an adult we have 206 bones. |
| Adult lungs have a surface area of around 70 square meters. |
| All babies are color blind when they are born, they only see black & white. |
| An average human produces 10,000 gallons of saliva in a lifetime. |
| Blood is 6 times thicker than water. |
| Bones in an adult account for 14% of the body's total weight. |
| Each person has a unique tongue print just like the fingerprints. |
| Enamel is hardest substance in the human body. |
| Every drop of blood in human body is filtered by the body over 300 times a day. |
| Facial hair grows faster than any other hair on the body. |
| It takes 17 muscles to smile and 43 to frown. |
| It takes about 20 seconds for a red blood cell to circle the whole body. |
| Length of thumb is the same with nose. |
| Nose and Ears continue growing throughout entire life. |
| Our heart beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30. |
| Our kidneys filter about 1.3 liters of blood every minute & expel up to 1.4 liters of urine in a day. |
| Red blood cells carry oxygen around the body. They are created inside the bone marrow. |
| The acid in stomach is strong enough to dissolve razor blades. |
| The adult body is made up of: 100 trillion cells, 206 bones, 600 muscles, and 22 internal organs. |
| The biggest muscle in the body is gluteus maximus, in the buttock. |
| The brain uses over a quarter of the oxygen used by the human body. |
| The fastest growing nail is on the middle finger. |
| The human heart creates enough pressure while pumping to squirt blood to 30 feet. |
| The largest organ in the body is the skin. |
| The liver is the largest gland and the largest internal organ in the human body. |
| The longest muscle in the body is Sartorius. |
| The lungs contain over 300,000 million capillaries. If they were laid end to end, they would stretch 2400km. |
| The normal pulse is 70 heartbeats per minute. |
| The only part of the body without blood supply is the cornea in the eye. It takes in oxygen directly from the air. |
| The ovum is the largest cell in the human body. |
| The smallest is the male sperm cell; it is one-tenth of the diameter of a human hair. |
| The smallest muscle in the body is Stapedius, deep in the ear. It is thinner than a thread and 0.05 inches (0.127 centimeters) in length. |
| The stapes is the smallest bone in the body. It's located in the inner ear. |
| The strongest bone in your body is the femur (thighbone) and it's hollow. It is also the longest and largest bone in Human body. |
| The tongue is the strongest muscle in the human body. |
| The tooth is the only part of the human body that can’t repair itself |
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