7/8 Review
Across
- 4. system that forms reproductive cells
- 5. organ that produces bile
- 6. makes 50% of blood
- 8. cells grouped together to perform a function
- 9. system that covers the body
- 15. system that fights disease and infection
- 17. system that removes liquid wastes
- 18. breaks or cracks in bone
- 19. the parts of the body that can not be scientifically explained
- 20. system that supports the body and protects its organs
Down
- 1. carries food to stomach
- 2. where bones meet
- 3. these clot blood
- 6. membrane encasing the lungs
- 7. system that breaks down food
- 10. skin pigment
- 11. the smallest living unit
- 12. the part of the body that contains most of the vital organs
- 13. organ that pumps blood
- 14. system that moves body parts
- 16. chews and mixes food with saliva