Biology.

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Across
  1. 1. drug that causes memory loss.
  2. 3. medicine which kills bacteria but not virus.
  3. 4. a vessel that carries blood away from the heart.
  4. 7. disease in which you become dangerously thin.
  5. 8. breathing out.
Down
  1. 1. nutrient or a main source of energy.
  2. 2. a part of the body where bones are moved by the muscle.
  3. 5. breaks food into small soluble forces.
  4. 6. a chemical that is used for growth and repair.
  5. 9. a nerve cell