Human Body Facts
Attachment of the human skin to muscles causes dimples.
Enamel in the hardest substance in the human body.
Adult human bones account for 14 per cent of the body’s total weight.
Didaskaleinophobia is the fear of going to school.
In an average human life span, the human heart beats 2.5 billion times (approx).
The pupil of your eye expands by as much as 45 per cent when you look at something pleasing.
The color blue has a calming effect.
It causes the brain to release calming hormones.
Even if you eat standing on your head, the food will still end up in your stomach.
The human liver performs over 500 functions.
Human body creates and kills 15 million red blood cells per second.
The only joint less bone in our body is the hyoid bone in our throat.
The roar that we hear when we place a seashell next to our ear is not of the ocean, but the sound of blood surging through our veins if the ear.
Every three days the human stomach gets new a lining.
A human nose can detect one drop of perfume diffused throughout a three-room apartment.
The only bone, fully grown at birth, is located in the ear.
The hardest bone in the human body is the jawbone.
An average human drinks about 16,000 gallons of water in a lifetime.
The white part of our eye is called the Sclera. At the front, the sclera becomes clear and is called the cornea.
A child is born with 300 bones. But an adult, has 206 bones.
The cornea is the only living tissue in the human body that does not contain any blood vessels.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
A fetus starts developing fingerprints after it is eight weeks old.
Every square inch of the human body has about 19,000,000 skin cells.
An average human heart beats 1,03,689 times in 24 hours.
Human hair is made out of the same substance as the fingernails.
A seagull can drink salt water because it has special glands that filters the salt out.
A single human blood cell takes only 60 seconds to make a complete circuit of the body.
The loss of eyelashes is referred to as Madarosis.
An average human lungs respire 23,045 times in 24 hours.
An average human blood flows 16,80,000 miles in 24 hours.
An average human nails grow 0.00007 inches in 24 hours.
An average human hair grows 0.01715 inches in 24 hours.
Our eyes are composed of more than two million (20,00,00) working parts.
An average human intake of water is 2.9 pounds in 24 hours. (including all liquids).
An average human body takes of 3.25 pounds food in 24 hours.
An average human breathe 438 cubic feet air.
An average human lose 85.60, body temperature.
An average human produce 1.43 pints sweat.
An average human speak 4,800 words.
Human brain is 80% water.
In a month, fingernails grows an eighth of an inch.
An average human moves 25.4 times during sleep.
Hair and finger nails are made from same substance, Keratin.
Our big toes have two bones each while the rest have three.
A pair of human feet have almost 2,50,000 sweat glands.
The most sensitive cluster of nerves in the human body is at the base of spine.
Our toe thumbs have two bones each while the toe fingers have three.
One square inch of skin on the human contains some 72 feet of nerve fiber.
Smile is the most frequently used facial expression.
It can use anywhere from a pair of 5 to 53 facial muscles.
The purpose of tonsils is to destroy foreign substances that are swallowed or breathed in.
Humans can detect sweetness in a solution of one part of sugar in to 200 parts water.
The finger nails grow faster on the hand you favor.
If you are right-handed, your right fingernails will grow faster; likewise the finger nails on the left hand of a lift-handed person.
The muscle that lets your eye blink is the fastest muscle in your body.
On average, you clink 15,000 times a day.
Women blink more than men.
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.
The length from your wrist to your elbow is the same as the length of your foot.
Every human spend about half an hour as a single cell.
The short-term memory capacity for most people is between five and nine items or digits. This is one reason that phone numbers were kept to seven digits for so long.
The average lifespan of a taste bud is 10 days.
The thyroid cartilage is more commonly known as the Adam’s apple.
The adult human body requires about 88 pounds of oxygen daily.