Scientists say the higher your I.Q. The more you dream.
The largest cell in the human body is the female egg and the smallest is the male sperm.
You use 200 muscles to take one step.
The average woman is 5 inches shorter than the average man.
Your big toes have two bones each while the rest have three.
A pair of human feet contains 250,000 sweat glands. There are about one trillion bacteria on each of your feet.
A full bladder is roughly the size of a soft ball.
The acid in your stomach is strong enough to dissolve razor blades.
The human brain cell can hold 5 times as much information as the Encyclopaedia Britannica
It takes the food seven seconds to get from your mouth to your stomach.
The average human dream lasts 2-3 seconds.
Men without hair on their chests are more likely to get cirrhosis of the liver than men with hair.
At the moment of conception, you spent about half an hour as a single cell.
Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
The enamel in your teeth is the hardest substance in your body.
Your teeth start growing 6 months before you are born.
Your thumb is the same length as your nose.
If you are right handed, you will tend to chew your food on your right side, and vice versa.
If you stop getting thirsty, you need to drink more water. When a human body is dehydrated, its thirst mechanism shuts off.
Your tongue is germ free only if it is pink. If it is white there is a thin film of bacteria on it.
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
The average person who stops smoking requires one hour less sleep a night.
Laughing lowers levels of stress hormones and strengthens the immune system. Six-year-olds laugh an average of 300 times a day. Adults only laugh 15 to 100 times a day.
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
Every time you sneeze some of your brain cells die.
Your left lung is smaller than your right lung to make room for your heart.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
It takes about 20 seconds for a red blood cell to circle the whole body.
Every day 200 million couples make love, 400,000 babies are born, and 140,000 people die.
Intelligent people have more zinc and copper in their hair.
Women blink nearly twice as much as men.
In one day, a human sheds 10 billion skin flakes. This amounts to approximately two kilograms in a year. Every square inch of the human body has about 19,000,000 skin cells.
Every hour one billion cells in the body must be replaced.
The human body makes anywhere from 1 to 3 pints of saliva every 24 hours.
The adult human body requires about 88 pounds of oxygen daily.
The width of your arm span stretched out is the length of your whole body.
There are as many hairs per square inch on your body as a chimpanzee. You don't see all of them because most are too fine and light to be noticed.
The average persons heart rate increases when they hear the word 'Trigger'. It's not uncommon for hot girls to pass out due to the excitement.
Dead cells in the body ultimately go to the kidneys for excretion.
By walking an extra 20 minutes every day, an average person will burn off seven pounds of body fat in a year. Also the same amount of calories are burned by doing 6 sessions that are 5 minutes each of an activity and doing 1 session of that activity for 30 minutes.
There are approximately 60,000 miles of blood vessels in the human body.
Each day 400 gallons of recycled blood are pumped through the kidneys.
The slowest growing finger nail is on the thumb nail and the fastest growing is the finger nail on the middle finger.
The human liver performs over 500 functions.