You have lots and lots of muscles in your body all doing important things.  The muscles in your jaw help you to eat and talk and your heart is one big muscle as well.
The more you use your muscles the bigger they grow which is why weightlifters have enormous bulges of muscle on their arms, legs and chest.

Muscles have funny medical names.  Can you guess where your QUADRICEPS are? Click your answer to see if you are right. in your arms in your tummy in your legs

©2003 InterFace Web Design and H Ford & Sons