Human Body Facts
The human body is a machine that is full of wonder. This collection of human body facts will leave you wondering why in the heck we were designed the way we were.
-Your body requires 1000-1500 calories per day just to simply survive (breathing, sleeping, eating).
-Every day an adult body produces 300 billion new cells.
-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 it the male sperm.
-You use 200 muscles to take one step.
-Muscle cells live as long as you do while skin cells live less than 24 hours.
-A full bladder is roughly the size of a soft ball.
-Your brain operates on the same amount of power that would light a 10-watt light bulb.
-There are 5 million hair follicles on an average adult.
-The acid in your stomach is strong enough to dissolve razorblades.
-The human brain cell can hold 5 times as much information as the Encyclopedia Brittanica.
-Approximately 75% of human poop is made of water.
-Your eyes are always the same size from birth but your nose and ears never stop growing.
-It takes the food seven seconds to get from your mouth to your stomach.
-The average human dream lasts 2-3 seconds.
-Your brain is more active during the night than the day.
-One human hair can support 3kg.
-Human thighbones are stronger than concrete.
-The tooth is the only part of the human body that can't repair itself.
-An average human loses about 200 head hairs per day.
-The white part of your fingernail is called the Lunula.
-There is enough iron in a human being to make one small nail.
-A shank is the part of the sole between the heel and the ball of the foot.
-The talus is the second largest bone in the foot.
-The attachment of human muscles to skin is what causes dimples.
-A 13 year old child found a tooth growing out of his foot in 1977.
-Your thumb is the same length of your nose.
-A woman's heart beats faster than a man's.
-Dogs and Humans are the only animals with prostates.
-It only takes 7lbs of of pressure to rip off your ears.
-There are nine muscles in your ear.
-The navel divides the body of a newborn baby into two equal parts.
-If the average male never shaved, his beard would be 13 feet long when he died.
-Experts say the human body has 60,000 miles of blood vessels.
-The tongue is the only muscle attached at one end.
-Fetuses can hiccup.
-Your brain uses 40% of the oxygen that enters your bloodstream.
-Men without hair on their chests are more likely to get cirrhosis of the liver than men with hair.
-The longest recorded bout of hiccups lasted for 65 years.
-The longest recorded sneezing fit lasted 978 days.
-Your stomach has 35 million digestive glands.
-At the moment of conception, you spent about half an hour as a single cell.
-There is about one trillion bacteria on each of your feet.
-Side by side, 2000 cells from the human body could cover about one square inch.
-There are no two tongue prints that are alike.
-Your body contains about four ounces of salt.
-Injured fingernails grow faster than uninjured ones.
-Women blink twice as much as men.
-It is impossible to sneeze with your eyes open.
-The average person's skin weighs twice as much as their brain.
-When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
-It takes twice as long to lose new muscle if you stop working out than it did to gain it.
-The three things pregnant women dream most of during their first trimester are 1) frogs 2) worms 3) potted plants.
-Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
-If they were laid end to end, the blood vessels in your body would wrap around the equator three times.
-Blondes have more hair than dark-haired people.
-Bone is stronger, inch for inch, than the steel in skyscrapers.
-About one third of the human race has 20-20 vision.
-In a hot climate, you can sweat as much as 3 gallons of water a day.
-Fingernails are made from the same substance as a bird's beak.
-A runner consumes about 7 quarts of oxygen while running a 100-yard dash.
-The enamel in your teeth is the hardest substance in your body.
-Your teeth start growing 6 months before you are born.
-Your big toes have two bones each while the rest have three.
-A pair of human feet contain 250,000 sweat glands.
-Living brain cells are bright pink.
-You're ears secrete more earwax when you are afraid than when you aren't.
-Your body uses 300 muscles to balance itself when you are standing still.
-If saliva cannot dissolve something, you cannot taste it.
-Your body contains the same amount of iron as an iron nail.
-The average woman is 5 inches shorter than the average man.
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