Humans are the only species known to blush.ġ5. Scientists estimate that the nose can recognise a trillion different scents!ġ4. Human teeth are just as strong as shark teeth.ġ3. Your left lung is about 10 percent smaller than your right one.ġ2. The human heart beats more than three billion times in an average lifespan.ĭid you know we have a FREE downloadable primary resource about the human heart? Great for teachers, homeschoolers and parents alike!ġ1. Information zooms along nerves at about 400kmph!ġ0. Babies don’t shed tears until they’re at least one month old.ĩ. You lose about 4kg of skin cells every year!Ĩ. The average person has 67 different species of bacteria in their belly button.ħ. Bodies give off a tiny amount of light that’s too weak for the eye to see.Ħ. The word “ muscle” comes from Latin term meaning “ little mouse“, which is what Ancient Romans thought flexed bicep muscles resembled.ĥ. Laid end to end, an adult’s blood vessels could circle Earth’s equator four times!Ĥ. Your brain is sometimes more active when you’re asleep than when you’re awake.ģ. Your mouth produces about one litre of saliva each day!Ģ. Right, gang, it’s time to take a look at how amazing (and a bit freaky!) we all are! Check out these 15 fascinating facts about the human body…ġ.
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