staying healthy

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Across
  1. 2. help someone or something to improve or get better .
  2. 4. system a way that your body protects you from disease .
  3. 7. a disease that affects a particular part of your body and is caused by bacteria or a virus.
  4. 9. the smallest separate part of a plant or animal
  5. 10. to do something , especially something difficult or useful .
Down
  1. 1. a special way of doing something .
  2. 3. a part of your body that performs a job, e.ge the brain or heart .
  3. 5. to behave in a particular way or show a particular emotion because of something that has happened.
  4. 6. a very small living thing that causes disease .
  5. 8. very bad or very serious .
  6. 9. breathing air into the mouth of an unconscious person.