Across
- 5. A state of balance in the body
- 6. This type of marrow makes red blood cells
- 7. There are 206 of these in the human body.
- 8. This is not part of the integumentary system, but is part of the skeletal system
Down
- 1. The periosteum is a tough layer of ___________ covering bones
- 2. Cells, tissues, organs, and organ ___________.
- 3. This is the process of bone formation
- 4. Without these, muscles could not connect to bones.