Body quiz

1. What do your bones form?
2. Write two bones in your arm
3. Write two bones in your leg
4. Write one of the joints in your arm
5. Write one of the joints in  your leg
6. Write one muscle you use to move your arm
7. What is the name of a muscle in your chest?
8. What muscles do you use to express feelings?
9. What goes into your lungs?