Basics of Human body | Everyday Science

basics of human
Written by Thegkplanet

Basics of Human body

This article is about the basic facts of human body related to everyday science of humans

  • If you laid all of your blood vessels end to end they would stretch 60,000 miles, or around the world nearly two and a half times.
  • Women blink twice as much as men
  • Men get hiccups twice as much as women
  • During your lifetime, you will produce enough saliva to fill two swimming pools.
  • After eating too much, your hearing is less sharp
  • By age sixty you will have lost half your taste buds
  • Babies can only see black and white when they are born
  • Your cornea is the only part of your body without a blood supply. It gets its oxygen directly from the air
  • You knew that 75% of your body is water, but did you know that 80% of your brain is water?
  • The average lifespan of a human hair is 3-7 years
  • Aside from being flammable, human hair is exceedingly difficult to destroy even with strong acids
  • A full bladder is roughly the size of a softball
  • Your mouth produces about one litre of saliva each day!
  • Laid end to end, an adult’s blood vessels could circle Earth’s equator four times!
  • Your teeth start growing 6 months before you are born
  • Bodies give off a tiny amount of light that’s too weak for the eye to see.
  • The average human will shed 40 pounds of skin in their life
  • The average person has 67 different species of bacteria in their belly button.
  • Your stomach acid is even strong enough to dissolve razor blades
  • You lose about 4kg of skin cells every year!
  • Your brain uses up about 20% of all your body’s oxygen and calories
  • Babies don’t shed tears until they’re at least one month old.
  • Apart from identical twins every single person on Earth has a unique smell
  • Information zooms along nerves at about 400kmph!
  • A higher IQ is correlated with more dreams
  • The human heart beats more than three billion times in an average lifespan.
  • . Your left lung is about 10 percent smaller than your right one.
  • There are 37 trillion cells in your body.
  • Scientists estimate that the nose can recognise a trillion different scents!
  • Stomach acid can dissolve metal.
  • Humans are the only species known to blush.
  • You spend 10 per cent of the day blinking.
  • Your blood makes up about eight percent of your body weight.
  • Without your pinky finger, you would lose 50% of your hand’s strength.
  • Your brain generates about 25 watts of power while you are awake.
  • It takes the body around 12 hours to completely digest food.
  • Your left lung is smaller than your right one, to make space for your heart.
  • Your heart beats around 100,000 times a day.
  • A sneeze can exit your nose at 166km/h.

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