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…

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.

Want to find out more about the amazing human body? Then check out these articles about the human digestive system, brain and eyes!

Photos: Getty Images UK

What’s your favourite fact about the human body? Let us know in the comments below!

Likes

LEAVE A COMMENT

THANK YOU

Your comment will be checked and approved shortly.

WELL DONE,
YOUR COMMENT
HAS BEEN ADDED!

COMMENTS

  • zo

    nice!

  • T22lottie

    WOW I DID'NT KNOW ALL OF THAT!!!

  • Alej :D

    These facts are so cool and epic! These facts are also: I N T E R E S T I N G ! !

  • Kenzie from Glendale School

    Good reading. Thanks!

  • Kierah

    Wow this is very interesting and it helps everybody know more about our body.

  • Hermaree Shane Gadicho

    Wow! Learning human body is cool. Knowing how the body functions is important because you can understand about the different systems working inside the body that helps you to be healthy and strong!

  • yuanterminator

    Wow this was Great and cool i never knew about the human body like this very useful

  • Zoe

    This website helped me to learn more new interesting facts. I like this app, it's helpful especially for school assignments! :)

  • Khushbu

    This is the best book because it tells The truth about your body

  • sman12345

    wow what website

  • Nora

    This was really helpful, and interesting.

  • These are so good

  • cool

  • COOL

  • COOL

  • Saloni Raj

    Nice one

  • Arya

    epic

  • ghfh

  • Ha

  • MONKEY

    Cool facts

  • fafs2010

    WOW i can belive all this my teacher was so shocked when i told her and she asked what site it was and she was immpressed!!

  • Good

  • Super

    Good

  • Skye

  • Skye

    Your website has helped me do my homework. So thank you so so so so much. You are probably going to get me given a housepoint.

  • Charles zavier

    Amazing content

  • Nice

  • 3504795

    it helps me

  • AnweshaPandey

    This website is OUTSTANDING,COOL, AND EXELLENT.

  • Callum

  • ahmed marsad

    i love this facts

  • Learned a lot

  • OOOOO

  • Jake Poulson

    These are really cool and amazing facts!!!

  • Lilythekitty

    Sweet

  • Imogen

    I love your facts about your body

  • Rose wildermoth

    I’m really interested

  • Kartheeeswaran

    It is very useful for knowing amazing facts . I like it so much.

  • Cool

  • hrl4172

    i love science and i loved this kip it up

  • Muskan

    Nice

  • alok

    this is sooooo awesome i cannot believe what a i reading

  • lol

  • kevin

    i like it

  • champ

    i love the website

  • Jay

    Hello this is so cool

  • Fatima

    Good to know some facts

  • lol

    cool!

  • Mani

    Cool

  • pema66

    coool

  • interesting

  • Afritha

    This is more useful for life

  • Lion Blaze

    Amazing!

  • cool

  • Jonathan

    Amazing, never knew we were sooo cool

  • SABA VS

    Cøøl

  • k-lee

    this is cool but the facts are too short.

  • Yay

  • Hridayansh Jain

    I liked this a lot please make more

  • Kashaf Fatima

    Cool

  • Amazing

  • kristoph

    wow! i can't believe what i just read.

  • Very nice and interesting

  • Anita

    The facts are very good

  • Edwin kabukuru

    This amazing facts have surprised me

  • Hey

    hi

  • 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

    cool

  • 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

    cool

  • ooooooo

    cool

  • 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

    ghdthhtrstjh

  • vunu

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

  • Ge

    Weird

  • Jenna

    Super cool!

  • gfctyefwytwf vywy

    woh

  • bbbbbbbbbbb108

    boooooodies

  • 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?????????

  • LIBERTY B.

    nice intresting facts!!

  • Alyssa_mae

    These really helped with my school project!

  • MEGGS

    I LIKE THIS WEBSITE IT TELLS YOU A LOT ABAWT THE HUMAN BODY

  • 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

    AWESOME! I NEVER KNEW ABOUT THIS!

  • phoenix_star

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

  • animals34amzaing

    cool fun amazing

  • SpikeMalora

    Interesting

  • thunderboyz

    wow

  • Wiira

    Cool facts

  • mel

    very interesting. very cool

  • banujan

    Interesting facts!

  • Spyro13366

    WOW!

  • 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

    COOL

  • Geek-girl

    WOW!!!!!!

  • 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

    coolio!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • KITTY

    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

ADVERTISEMENT
ANZ subs takeover March 2020 MPU

More Like General Science

General Animals

Female wildlife rangers!

Meet the extraordinary women changing the face of conservation…
General Science

Human digestive system

You eat a meal. And then a bit later… you do a poo! But what happens in between?
General Science

Science with Dr Karl: What is a sinkhole?

Dr Karl digs deep into sinkhole science
General Science

10 facts about Stephen Hawking

Learn about one of the most influential scientists of our time…