2. Which is not a work of the muscles?
a .It provides good health.
b. It helps the bone move
c. It gives shape to the body.
d. It covers and protects the bones.
3. Which bone protects the brain?
a. pelvic
b. rib
c. skull
d. spine
4. Without it, it would be impossible to walk and move about.
a. backbone
b. lungs
c. muscles
d. ribs
5. Which is the function of the skeleton?
a. it balances the body
b. regulates blood pressure
c. it serves as frame of the body
d. excretes washes in the blood