Across
- 1. support
- 6. cools the body
- 8. humans are not
- 9. cells that contract
- 11. brain
- 12. eliminates waste
- 14. the starting place for all matter
- 15. absorbs nutrients
- 17. caused by inflamed pores
- 18. oxygenates blood
- 19. formed from atoms
- 21. middle layer
Down
- 1. connects outside to inside
- 2. tendons fat cartilage
- 3. balance
- 4. has a soul
- 5. fights of invaders
- 7. formed from membranes
- 10. similar tissues
- 13. layers that cover
- 16. protects from invaders
- 20. dry scaly skin