The Common Cold

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Across
  1. 2. A poisonous substance produced within living cells or organisms
  2. 7. Is defined as having a temperature above the normal range due to an increase in the body's temperature set-point.
  3. 8. A particular abnormal condition that affects part or all of an organism not caused by external force
  4. 10. An infectious agent such as a virus, bacterium, protozoa, prion, a fungus, or other micro-organism
  5. 11. Resistance of an organism to infection or disease
  6. 12. A sudden and often repetitively occurring, protective reflex, which helps to clear the large breathing passages from fluids, irritants, foreign particles and microbes
Down
  1. 1. A viral infectious disease of the upper respiratory tract that primarily affects the nose
  2. 3. A sensation of unease and discomfort in the upper stomach with an involuntary urge to vomit
  3. 4. A small infectious agent that replicates only inside the living cells of other organisms
  4. 5. A rigid organ that constitutes part of the vertebrate skeleton
  5. 6. The anterior part of the neck, positioned in front of the vertebra
  6. 7. An infectious disease caused by an influenza virus
  7. 9. The invasion of an organism's body tissues by disease-causing agents
  8. 10. A distressing feeling often caused by intense or damaging stimuli