7. What happen to our bones as we get older
A. Many bones fuse together.
B. Our bones multiple.
C. To give structure to the bones
D. Protect the spinal cord.
8. The bone marrow known to produce what kind of cell?
A. White blood cells
C. Red blood cells
B. Bone Cells
D. platelets
9. Why is cartilage covers the bones with fluid?
A. To make movement easier.
B. To make movement difficult.
C. To make it beautiful.
D. To give shape to the body.
10. Which of the following serves important functions in skeletal system?
A. it provides the shape and form for the body.
B. support and protection and allows bodily movement
C. produces blood for the body, and stores minerals
D. All of the above



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