Human Quick Facts

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Fun Facts about Humans

  • If stomachs did not have a lining of mucus, your stomach would digest itself.
  • There are 60,000 miles of blood vessels in the human body.
  • It takes about 60 seconds for a human blood cell to make a complete circuit of the body.
  • The average person will shed 40 pounds of skin in his/her lifetime.
  • 1/15th of a pint of blood is pumped with every heartbeat.
  • Humans share 98.4% of our DNA with chimps. In comparison, we share 70% of our DNA with a slug.
  • The lightest baby to survive weighed a mere 283 grams.
  • On average, women say 7,000 words per day while men manage just over 2,000 words.
  • The human brain uses 20% of the body’s energy but is only 2% of the body’s weight.
  • On average, humans lose 40-100 strands of hair per day.
  • A sneeze can exceed the speed of 100mph.
  • A cough can reach the speed of 60mph.
  • The average person will drink about 16,000 gallons of water in his/her lifetime.
  • It takes 17 muscles to smile while taking 43 muscles to frown.
  • The human brain is composed of 75% water.
  • Human thigh bones are stronger than concrete.
  • More germs are transferred while shaking hands compared to kissing.
  • There are approximately 550 hairs in a person’s eyebrow.
  • The strongest muscle in the human body is the tongue.
  • A person produces 10,000 gallons of saliva in an average lifetime.
  • The hardest bone in the human body is the jawbone.
  • The number of eye blinks varies greatly from about 29 blinks each minute if you are talking to someone to only 4 blinks each minute if you are reading.
  • The average human blinks 25 times per minute.
  • A nail takes around 6 months to grow from base to the tip.
  • Each second 10,000,000 cells die and are replaced in your body.
  • Your liver performs over 500 functions in your body.
  • The average person spends 1/3 of their lifetime sleeping.
  • More germs are transferred when shaking hands than kissing.
  • The average person (from western culture) consumes 10 liters of alcohol per year.
  • Roughly 75% of people who play the radio in their car sing along to it.
  • 31. Human thigh bones are stronger than concrete.
  • Your right lung takes in more air than your left one does.
  • The human brain is composed of 75% water.
  • 70% of the composition of dust in your home is made up of shed human skin and hair.
  • The tooth is the only part of the human body that can’t repair itself.
  • One human hair can support 3kg.
  • Humans are the only animals that cry tears and blush.
  • It takes the interaction of 72 different muscles to produce human speech.
  • If the normal one hundred thousand hairs on a head were woven into a rope, it could support a weight of more than twelve tons.
  • The fingernail grows about 1.5 inches per year.
  • The total amount of skin covering an adult human weighs 6 lbs.
  • The average person flexes the joints in their fingers 24 million times during a lifetime.
  • Each person inhales about seven quarts of air every minute.
  • On average, we breathe between 12 and 18 times a minute.
  • The average guy will grow about 27 feet of hair out of his face during his lifetime.
  • Approximately 1 out of 25 people suffer from asthma.
  • The average man sweats 2 1/2 quarts every day.
  • One out of every hundred American citizens is color blind.
  • An average person laughs about 15 times a day.
  • A human heart beats 100,000 times a day.

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