10 Fun facts on the muscular system: Did you know…

  1. Muscles make up more then half your body weight. 
  2. The smallest muscle in the human body is the stapedius, which is found in your middle ear.
  3. Muscles can contract, pull, and relax, but they can’t push or stretch themselves. 
  4. Your body is made up of approximately 696 muscles. 
  5. The human body consists of 3 different kinds of muscles; Skeletal (voluntary), Smooth (involuntary), & Cardiac (heart).
  6. The most powerful muscles in the body are those that run the length of the spine.
  7. 85% of body heat is generated by muscle contractions. That’s why you shiver when too cold.  Your muscle fibers are working to ‘heat up’ your body temperature. 
  8. The largest muscle in the human body is the gluteus maximus.
  9. The longest muscle in the human body is the sartorius.
  10. It takes over 200 muscles working together just to walk! 

Now, can you tell me, what the busiest muscles in the human body are? 

*** By the time you are 25 years old your total bone count is 206! Stay tuned for 10 facts on the Skeletal System!


  • September 30, 2012 at 10:14 pm // Reply

    Great post Marsh! Looking forward to the 10 fun facts re the skeletal system!

  • September 30, 2012 at 10:22 pm // Reply

    Busiest muscles…hmm..I’ll guess cardiac??

    • September 30, 2012 at 10:30 pm // Reply

      Good guess but its actually the muscles of the eyes! They move over 100 000 x’s a day.

  • September 30, 2012 at 10:49 pm // Reply

    I was going to guess the eye muscles! Darn, too late.
    What fun facts – thanks for the great post Marsha!

  • June 7, 2013 at 11:34 am // Reply

    good post thank you so much for helping a fifth grader and my name is not really bob infact i am a girl but i will not give my real name out on the internet so everyone in the world can see it!!!! thank you so much!!!!

  • October 17, 2013 at 4:34 pm // Reply

    Lol thanks Marsha my science teacher used to be a drill Sargent and he yells so this really helped thanks!!!

  • November 4, 2013 at 9:02 am // Reply

    I really like this website allot. I was using it to help me work on my wellnes project. Thanks allot!!!

  • January 14, 2014 at 3:31 pm // Reply

    thanks this really helped me in my project
    please create a selektal system that will also help alot

  • May 1, 2014 at 2:47 pm // Reply

    Good website.I used it for a school project.

    • February 9, 2016 at 1:08 pm // Reply

      It is so ligiet

    • March 22, 2017 at 11:16 am // Reply

      Who doesn’t use this for school?

  • November 18, 2015 at 10:48 am // Reply

    this helped me so so so so much with my school project

  • March 5, 2016 at 5:36 pm // Reply

    Your muscles make up 40 of your body weight

  • April 19, 2016 at 5:54 pm // Reply

    that was vary helpful thanks!!!

  • April 19, 2016 at 5:57 pm // Reply

    i used the imfomation for a school project!

  • February 13, 2017 at 7:04 am // Reply

    i think that this was helpful.

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