Across
- 3. basic unit of structure and function
- 10. tissue that fills spaces
- 11. lines cavities
- 13. organelle that stores ATP
- 14. most abundant chemical in the body
- 18. chemical reactions in the body
- 19. epith tissue gets nutrients by this process
Down
- 1. contains DNA and is the site of RNA production
- 2. same osmotic pressure, water in and out
- 4. tissue that secretes substances
- 5. most common type of tissue by weight
- 6. above
- 7. separates the thoracic and abdominal cavity
- 8. environmental factor body requires
- 9. are formed from cell membrane
- 12. cells that secrete mucous
- 14. cube shaped epithelial tissue
- 15. glands that secrete onto surface
- 16. remain within certain ranges
- 17. membrane on surface of lung
