Across
- 5. Male eggs
- 6. Female eggs
- 8. system Receives food and digests it into nutrient molecules
- 9. system Muscles of body
- 10. system Bones of body
- 11. system Transports nutrients and oxygen to tissue
- 14. system Brings oxygen into body and removes carbon dioxide
Down
- 1. system Barrier between body and outside world
- 2. system Glands that secrete chemicals (hormones)
- 3. system Coordinate and regulate functions of other body systems
- 4. system In charge of reproduction
- 7. Maintaining relative constant internal body conditions
- 12. system Rids blood of wastes
- 13. and immune system Involved in defense against disease