Across
- 2. HCl juice of the stomach
- 3. thick, scaly layer of the skin
- 6. ressistance in the epidermis
- 9. tears & saliva with lysozymes
- 10. disease causing micro-organism
Down
- 1. stops bacterial growth with it's burning secretions
- 4. highly specific resistance to disease
- 5. beat to move debris
- 7. gooey trap for microbes
- 8. filter for airborne bacteria