Body Systems

123456789101112131415161718192021222324252627
Across
  1. 3. structural unit of 2 or more tissues
  2. 5. carry deoxygenated blood to the heart
  3. 8. organ that is central part of the nervous
  4. 9. union of sperm and egg
  5. 10. supports the chemical digestion of food
  6. 12. organ that pumps blood
  7. 13. carry oxygenated blood away from the heart
  8. 16. circulates thru body and protects
  9. 17. allows movement of the body
  10. 20. allows communication to travel thru body
  11. 22. forms outermost layer of human
  12. 24. help import oxygen and export CO2
  13. 25. connective tissue circulating O2 and CO2
  14. 26. defends body against infection
  15. 27. remove waste and extra water from blood
Down
  1. 1. absorb nutrients, move waste
  2. 2. breaks down food into usable forms
  3. 4. hard, dense tissue
  4. 6. carry messages between brain and body
  5. 7. liquid byproduct
  6. 11. pushes blood throughout the body
  7. 12. stable internal conditions
  8. 14. deliver oxygen
  9. 15. removes excess materials from body
  10. 18. internal framework of body
  11. 19. organs involved in gas exchange
  12. 21. contains glands that release hormones
  13. 23. organs involved in sexual reproduction