Living things

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Across
  1. 3. Disease causing microbes
  2. 6. Organelle that performs cellular respiration
  3. 7. A second line of defence response to a foreign object
  4. 8. An injection which stimulates the immune system to create a response against a disease
  5. 11. A widespread occurrence of an infectious disease in a particular area
Down
  1. 1. Line of defence includes skin and tears
  2. 2. Chemical marker of disease causing cells
  3. 3. Worldwide spread of disease
  4. 4. Line of defence which is nonspecific and uses white blood cells
  5. 5. Acquired line of defence
  6. 9. Controls what moves into and out of the cells
  7. 10. The brain of the cell that contains DNA