Across
- 2. A primary function of the skeletal system is to protect these specialized groups of cells.
- 4. Osteoporosis and arthritis are examples of ________ of the skeletal system.
- 5. External skeletal systems made of chitin and calcium carbonate.
- 6. 80 bones along the axis of the body; protects internal organs.
- 7. Allows bones to connect to other bones.
- 9. Allows bones to connect to muscle.
Down
- 1. Holds the skeleton together and supports movement.
- 3. The primary function of the ________ system is to support and protect the body.
- 5. Internal skeletal system made of bone and cartilage.
- 8. 126 bones of the appendages and girdles; provides support and flexibility.