Chapter 2 Building Immunity

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Across
  1. 2. can make other people sick from your sickness
  2. 4. a disease that makes you vomit and go to the toilet
  3. 6. promised, reassure
  4. 8. to do something many times to get it right
Down
  1. 1. attack, session
  2. 2. think carefully & usually in silence
  3. 3. able to fight a disease in your body
  4. 5. instead of
  5. 7. deliver, leave behind