Across
- 2. a large group of bones in a body
- 3. these help oxygen reach things like cells
- 4. these hold your bones together and allow you to move around
- 7. specialized cells working together to perform a function
- 8. different tissues working together to perform a specific task
- 9. helps the body break down food and absorb nutrients
- 11. the smallest blood vessel
- 12. small tubes that send deoxygenated blood to the heart
Down
- 1. the exchange of co2 and o2 from the lungs to the cells
- 5. the study of how different parts of the body work
- 6. the organ that pumps blood through the body
- 10. unspecialized cells