13. If there were no bones, the muscles would drop to the ground. Which function of the bone is shown here? A. protects the heart and lungs B. provides leverage for movement of muscles C. forms a strong case for delicate organs D. provides anchor to which muscles are attached

14. Which organs are protected by the ribcage? A. heart and lungs
B. brain and spinal cord C. ovaries and testes D. small and large intestines

15. Which could be the functions of the muscularsystem? It gives shape in our body
I.
II. It allows us to move III.
It supports and makes our skeleton in the hands and other body parts steady. IV.
A. IandII B. IIandIII
It provides the structural framework for the body C. I, II,andIII
D. I, II, III andIV​