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