Bill Nye the Science Guy playlist: https://goo.gl/qi4YCM Check out all episode of Bill Nye the Science Guy in my chanel. For more Bill Nye the Science Guy, f...
If you've ever wondered how your muscles work, this movie about the Muscular System has the answer!
You have more than 600 muscles in your body! They do everything from pumping blood throughout your body to helping you lifting your heavy backpack. Find out more.
Watch this movie about the muscular system.
Learn some fun muscle facts for kids. The muscles in our body are responsible for keeping our heart beating and for all our physical movements.