WHY DO FALL ILL

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Across
  1. 1. when the virus enters the liver it causes which disease
  2. 7. The disease which affects the health of human population all over the world
  3. 9. The condition that disturbs the normal functioning of the living organism
  4. 10. the ability of the body to defend against a disease.
  5. 11. The organisms that act as intermediaries and carry the infectious agents from a sick person to a potential host
  6. 12. The chemicals secreted by some microorganisms which can kill the bacteria and other disease causing pathogens
Down
  1. 2. DISEASE diseases which are present from the time of birth and are hereditary
  2. 3. Many skin diseases are caused by which micro-organisms
  3. 4. Hepatitis targets which organ
  4. 5. when microbes attack the lungs it causes which disease
  5. 6. The micro-organism that uses our machinery for performing its life processes
  6. 8. DISEASES disease which lasts for only very short periods of time