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 our bodies…

1. Your mouth produces about one litre of saliva each day!
2. Your brain is sometimes more active when you’re asleep than when you’re awake.

Human body brain

3. Laid end to end, an adult’s blood vessels could circle Earth’s equator four times!
4. The word “muscle” comes from Latin term meaning “little mouse“, which is what Ancient Romans thought flexed bicep muscles resembled.

Human body muscle

5. Bodies give off a tiny amount of light that’s too weak for the eye to see.
6. The average person has 67 different species of bacteria in their belly button.
7. You lose about 4kg of skin cells every year!
8. Babies don’t shed tears until they’re at least one month old.

Human body tears

9. Information zooms along nerves at about 400kmph!
10. The human heart beats more than three billion times in an average lifespan.

Human body chest x-ray


Did you know we have a FREE downloadable primary resource about the human heart? Great for teachers, homeschoolers and parents alike!

11. Your left lung is about 10 percent smaller than your right one.
12. Human teeth are just as strong as shark teeth.
13. Scientists estimate that the nose can recognise a trillion different scents!

Human body nose

14. Humans are the only species known to blush.
15. Your blood makes up about eight percent of your body weight.

Photos: Getty Images UK


  • Katie

    This is an amazing fact I will tell my teacher to go on this app lol

  • hti7jymjuk99.,

    this is so cool these facts will interest my science teacher.

  • sammy342

    awesome never known that :)

  • braeden


  • CupcakeAwesomeness1234

    This is so informative and all of these facts are so amazing.

  • CupcakeAwesomeness1234

    This was so informative and these are all amazing things to know about.

  • Sumdog

    Hell yeah

  • Chloster

    Amazing facts!

  • cris

    awesome info

  • hitomatica


  • ooooooo


  • ainsleigh

    what a great thing to know

  • nakerra

    more images

  • Ambre

    Cool, i didnt know half of that! i think i lose more skin then they say because i eat the skin off my lips all the time!

  • gd


  • vunu

    lol!!! its like my buddy to help me pratice

  • Ge


  • Jenna

    Super cool!

  • gfctyefwytwf vywy


  • bbbbbbbbbbb108


  • ufkuyfthtgrhy6hik

    hi make a tummy blog please

  • ufkuyfthtgrhy6hik

    its awesome and cute

  • crork seo

    5Ocu4t You made some good points there. I did a search on the subject and found most guys will approve with your site.

  • aaisha

    I like this website

  • aaisha

    Can you please make a digestive system so I can learn about it thank you?????????


    nice intresting facts!!

  • Alyssa_mae

    These really helped with my school project!



  • iialisinaii

    its really good and interesting

  • Leopardliondogtiger

    So interesting

  • christiane

    my dad is a doctor an di love it! now in my science lesson I might get 100 precent.

  • antara

    national geographic is my favourite thing to read the facts are the best ! I feel that I am travelling back in time! well done!

  • Twinkletoes

    I love the article because of the interesting and cool facts!

  • 4475_Aajs

    you guys should make more kids magazines about the facts and animals!

  • jgugyto8y

    cool facts!

  • Priyam-Chakraborty123124


  • phoenix_star

    this was perfect to help me with my schoolwork thank u xx

  • animals34amzaing

    cool fun amazing

  • SpikeMalora


  • thunderboyz


  • Wiira

    Cool facts

  • mel

    very interesting. very cool

  • banujan

    Interesting facts!

  • Spyro13366


  • 111

    it is great

  • sniperandthewiffin5567

    I love animals so so so so so much, my friend Aggie and I always use this website to find out facts about our favorite animals! thanks a bunch!x

  • Crystal_diamond

    wow! this website never fails to give me amazing facts!

  • factgurrl

    Wow! I never new that the body could be so interesting, thanks it helped me sooo much with my science homework! Xx

  • koalagurlll

    omg who knew the human body could be that interesting!!!

  • bannanatastic

    cool facts

  • bannanatastic

    cool facts

  • wildlifelover

    wow the human body is so fascinating. these 15 facts just make me want to know more. its amazing

  • jammy101

    so cool and interesting

  • cool2111

    really fascinating 2 know!

  • oshie

    i never new

  • dave


  • Geek-girl


  • Funky_Monkey321

    Its quite hard to think that the human body gives of light!

  • Beth222222222222222Bird

    awesome!!!! and factual

  • Ben

    Really interesting, some of it sounds impossible!!!!!

  • Lovefacts84



    i thought i was going fail my test then my frend told me about national geographic thank you!!!!!!!!

  • Georgia

    This is a really nice website to look at if your doing history,science and geography

  • Epicbackflip

    Gross! I just love studying the human body!

  • Cutie -diamond 123

    Wow I did not know this until now

  • naledi

    this teaches us good stuff

Efteling winter

More Like General Science

General Science

Scientists discover bacteria can “see” like tiny eyeballs!

Scientists have finally explained how bacteria senses light…
General Science

Your Amazing Eyes!

Learn all about the human eye…
General Science

Your Amazing Brain!

Discover the fascinating world of the human brain!
General Science

Follow your food!

We take a juicy journey through your digestive system!