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Did you know the human brain is more active at night than during the day? Read some fun human body facts for kids and find out more about bones, skeletons, eyes, blood, muscles, the brain, heart and much more!

  • Your nose can remember 50,000 different scents.
  • A human baby has over 60 more bones than an adult.
  • You have no sense of smell when you’re sleeping!
    Human Body Facts

    It takes food seven seconds to go from the mouth to the stomach via the esophagus.

  • An average person produces about 25,000 quarts of saliva in a lifetime, enough to fill two swimming pools.
  • All babies are color blind when they are born ,so they only see black and white.
  • The eyeball of a human weighs approximately 28 grams.
  • Your body has enough iron in it to make a metal nail 3 inches long.
  • The tongue is the strongest muscle in the human body.
  • Your tongue has 3,000 taste buds.
  • Ears and nose never stop growing.
  • Fingernails grow nearly 4 times faster than toenails!
  • The strongest muscle in the human body is the masseter (jaw muscle).
  • Your bones are composed of 31% water.
  • If the human eye was a digital camera it would have 576 megapixels.
  • Your brain keeps developing until your late 40s.
  • Human hair and fingernails continue to grow after death.
  • It takes the body around 12 hours to completely digest eaten food.
  • Every day, your heart creates enough energy to drive a truck for 20 miles (32 km).
  • When awake, the human brain produces enough electricity to power a small lightbulb.
  • An adult human being is made up of around 7,000,000,000,000,000,000,000,000,000 atoms.

Beside human body facts, find out more about human body also!

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