Amazing Human Body Facts

• 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 brain uses over a quarter of the oxygen used by the human body.


• Our heat beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30.


• Red blood cells carry oxygen around the body. They are created inside the bone marrow.


• It takes about 20 seconds for a red blood cell to circle the whole body.


• The biggest muscle in the body is gluteus maximus , in the buttock.


• The lungs contain over 300, 000 million capillaries. If they were laid end to end, they would stretch 2400 km.


• Every drop of blood in human body is filtered by the body over 300 times a day.


• The ovum is the largest cell in the human body.


• Adult lungs have a surface area of around 70 square meters.


• The stapes is the smallest bone in the body. It’s located in the inner ear.


• The acid in stomach is strong enough to dissolve razor blades.


• Nose and Ears continue growing throughout entire life.


• Each person has a unique tongue print just like the fingerprints.


• The longest muscle in the body is Sartorius.


• The smallest muscle in the body is Stapedius, deep in the ear. It is thinner than a thread and o.05 inches ( 0.12 centimeters ) in length.


• Enamel is hardest substance in the human body.


• All babies are color blind when they are born , they only see black & white.


• The tongue is the strongest muscle in the human body.


• It takes 17 muslce to smile and 43 to frown.


• The adult body is made up of : 100 trillion cells, 206 bones, 600 muslces and 22 internal organs.


• Bone in an adult account for 14% of the body’s total weight.


• A body born with 300 bones in their body, but as an adult we have 206 bones.


• 200 muscles used to take one step.


• The strongest bone in your body is the femur ( thighbone ) and its hollow. It is also the longest and largest bone in Human body.


• The normal pulse is 70 heartbeats per minute.


• Blood is 6 times thicker than water.


• Facial hair grows faster than any other hair on the body.


• Our kidneys filter about 1.3 liters of blood every minute & expel up to 1.4 liters of urine in a day.


• The only part of the body without blood supply is the cornea in the eye. It takes in oxygen directly from the air.


• An average human produces 10,000 gallons of saliva in a lifetime.


• The fastest growing nail is on the middle finger.


• 14 bones make up the human face.


• The human heart creates enough pressure while pumping to squirt blood to 30 feet.


• The tooth is the only part of the human body that can’t repair itself.