1. If there were no bones, the muscles would drop to the ground. Which function of the bone is shown here?
Options:
A. Protects the heart and lungs
B. Provides leverage for movements of muscles
C. Forms a strong case for delicate organs
D. Provides anchor to which muscles are attached

2. What are bones made up of?
Options:
A. Calcium
B. Collagen
C. Osteoblast
D. Phosphorus

3. Which of the following bony cavity protects the brain?
Options:
A. Cranium
B. Pelvis
C. Ribs
D. Spinal Column

4. Which nutrients give bones their strength and shapes?
Options:
A. Calcium and iron
B. Calcium and phosphorus
C. Iron and minerals
D. Iodine and phosphorus

5. What do you call the progress were bones harden because of bone cells and minerals as bones grew older?
Options:
A. Osteoarthritis
B. Osteoporosis
C. Osteomalacia
D. Ossification

6. Which of the following lubricating fluid helps the bones move smoothly over one another?
Options:
A. Oil
B. Synovial fluid
C. Cerebrospinal fluid
D. Grease

Help...please answer this correctly!​