Why are you doing this?

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Across
  1. 3. malaria is one of these
  2. 5. 28% of students skip school because of this
  3. 6. any bodily movement produced by skeletal muscles
  4. 7. 3 line of defense
  5. 11. side effects hair loss,weakness, age quicker, and weak stomach
  6. 12. talking to people help with this part of the triangle
  7. 13. occur everywhere
  8. 17. symptoms of this include change in wart or mole, lumps, and change in bowel habits
  9. 18. cancer super food and its yellow
Down
  1. 1. method to get fit
  2. 2. A tumor that spreads
  3. 4. 2 line of defense WBC begin their attack
  4. 8. reduces stress and depression
  5. 9. Doing push ups would help with this part of the triangle
  6. 10. 3 out of 4 people will last 5 years
  7. 14. 1 line of defense it happen when crying
  8. 15. A tumor that doesn't spreads
  9. 16. puzzles would help with this part of the triangles