Body Systems #1

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Across
  1. 4. when the blood supply to part of the brain is blocked or reduced
  2. 7. the thin, outermost layer of the skin
  3. 8. another word for skull
  4. 10. Our main protection against outside germs and bacteria
  5. 12. bones are connected by these
  6. 13. blood flow to part of the heart in blocked
  7. 16. red fluid that carries oxygen and nutrients through the body
  8. 18. hardened dead cells, varying in color and texture
  9. 19. taking care of the body through movement or physical activity
  10. 21. the innermost layer of skin
  11. 22. cage of bones that surround the lungs and heart
  12. 24. disease in which the bones become thin and brittle
Down
  1. 1. carries blood away from the heart
  2. 2. the middle layer of skin
  3. 3. another name for your knee cap
  4. 5. organ in the body that beats and pumps blood through the body
  5. 6. carries blood towards the heart
  6. 7. Disease that involves damage to the alveoli in the lungs
  7. 9. 206 of these in the human body
  8. 11. caused by viruses or bacteria
  9. 13. high blood pressure
  10. 14. disease that narrows or blocks the bronchial tubes
  11. 15. flexible tissue on the ends of some bones,providing cushioning
  12. 17. allows us to breathe by taking in oxygen and releasing carbon dioxide
  13. 20. deformity of the spine in which the spine develops in an S-shaped curve
  14. 23. the place where two bones meet