P15

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Across
  1. 3. Doctors' ethical pledge
  2. 5. Invasion by harmful organisms
  3. 9. Fertilized egg cell
  4. 12. Potential source of harm
  5. 13. Poisonous substance
  6. 14. Calm meditative state
Down
  1. 1. Amount consumed
  2. 2. Regular beat in heart or music
  3. 4. Feeling of lightheadedness
  4. 6. Relating to nerves
  5. 7. Having a high temperature
  6. 8. Essential for life
  7. 10. Complete set of DNA
  8. 11. Visual organ