Food is either cooled or warmed to a suitable temperature in the mouth.
Hugging releases oxytocin, which helps to heal physical wounds, makes someone trust you more.
You know, you have no sense of smell when you're sleeping.
On a clear night, the human eye can see between 2000 to 3000 stars in the sky.
Do you know the similarity between human body and a banana? You will be amazed to know that 50% of human DNA is same as in banana.
The human body has enough iron in it to make 3 inches long nail.
All babies are color blind when they are born, so they only see black & white.
People with dark color skin wrinkle later than the people having light color skins.
Guess how many muscles are working when you take a step. Well, about 200 muscles are used when we take a single step.
Weight of the eyeball. The eyeball of a human weighs approximately 28 grams.
People generally read 25% slower from a computer screen compared to paper.
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.
The tips of your fingers have enough strength to support the weight of your whole body
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 sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
Human hair and fingernails continue to grow after death.
A mind-boggling fact: The ear in human body has over 25,000 tiny hair cells to help us hear each and every sound.
Crossing your arms can reduce pain by confusing your brain.
Our eyes can distinguish up to one million color surfaces and take in more information than the largest telescope known to man.
The eyeball of a human weighs approximately 28 grams.
The largest cell in the human body is the female egg and the smallest is the male sperm.
A full bladder is roughly the size of a soft ball.
It takes the food seven seconds to get from your mouth to your stomach.
The average man's penis is three times the length of his thumb.
A woman's heart beats faster than a man's.
There are about one trillion bacteria on each of your feet.
If saliva cannot dissolve something, you cannot taste it.
Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 400 million liters (800 million pints) of blood.
Your mouth produces 1 liter (1.8 pints) of saliva a day.
On average, you breathe 23,000 times a day.
The liver is the largest of the body’s internal organs.
A newborn baby’s head accounts for one-quarter of its weight.