Nathan S. 5th Period

12345678910111213141516171819
Across
  1. 3. and exchanges
  2. 4. system;skin, hair, nals
  3. 7. the heart
  4. 8. pathogens
  5. 9. blood cells;carries oxygen
  6. 11. swelling, and heat
  7. 15. scabs
  8. 18. bacteria
  9. 19. gland;cools body
Down
  1. 1. or dead strands
  2. 2. layer
  3. 5. viruses
  4. 6. from the heart
  5. 10. glands;moistens skin and hair
  6. 12. blood cells;fights infection
  7. 13. causing agent
  8. 14. destroys pathogens
  9. 16. layer
  10. 17. for the fighters