Healthy crossword!!

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Across
  1. 6. To expel air from your lungs.
  2. 7. Something to prevent diseases
  3. 9. Not a normal high body temperature.
  4. 10. The condition of being physical fit and healthy.
Down
  1. 1. When body reacts to a certain substance.
  2. 2. The process of infecting or being infected.
  3. 3. A disorder of the human body.
  4. 4. When your pressure in your blood vessels is to high.
  5. 5. Daily routine to maintain yourself clean and healthy.
  6. 8. A feeling or worry, nervousness or uneasy about something.
  7. 11. An activity which requires a physical effort.