Across
- 2. makes it possible for different parts of the body to communicate with one another.
- 3. removes toxins and waste from body tissues.
- 5. helps the body fight against infection and other diseases.
- 8. regulates our metabolism
- 9. moves oxygen and carbon dioxide into and out of the bloodstream
- 11. provides the framework and the engine for our physical abilities.
Down
- 1. has the mission of producing offspring.
- 4. carries excess fluid substances away from the cells.
- 6. protects the body from the external environment
- 7. breaks down foods into nutrients
- 10. contains bone marrow to produce blood and lymph cells.