2. My Muscular System My muscles move my body like strings move a puppet.

3. The muscular system is made up of… muscles and tendons

4. How many muscles do I have? I have about 650 muscles in my body. My muscles make up half of my body weight. ??? How much do your muscles weigh?

5. My muscles are important because they… Hold my organs in place Hold my bones together so that I can move Help me chew my food Open and close my eyelids Pump my blood Allow me to run and play Help me to smile!

6. Did you know????? It takes more muscles to frown than to smile?

7. What are muscles made of? Stretchy, elastic cells and fibers What else is stretchy like a muscle?

8. Why do I need tendons? Tendons attach my muscles to my bone helping my body move. Feel your tendon right above your heel in the back of your leg. This is the thickest tendon in your body.

9. One way to keep my muscles strong… Eat foods from the meat group every day. They are high in protein which helps to build strong muscles. Name some foods that are high in protein.

10. Another way to keep strong muscles… Exercise every day. What are some things you can do every day to help keep your muscular system healthy?

11. What did you learn? In your journal, write three sentences about what you learned about the muscular system.

12. Works Cited My Body: Teacher Created Materials Encarta Encyclopedia Microsoft Clipart