Across
- 2. Microorganism that causes diseases
- 5. Found in the mother's milk and an important source of nutrient
- 6. Phagocyte extend its ___________________________ to engulf bacteria
- 7. The process by which microorganisms or other particles such as dead cells are trapped and digested by phagocytes
- 9. The T lymphocyte attacks cells infected by pathogens. T lymphocytes stimulate B lymphocytes to produce ______________ cells
- 11. contains specific antibodies to fight specific antigens
Down
- 1. When someone is infected by pathogens, lymphocytes will produce _______________ as a response to these antigens
- 3. Combination of microorganisms, fragments of tissues and white blood cells that can be found in seriously infected areas or damaged tissues
- 4. Antibodies react with dissolved antigens to form an insoluble complex
- 8. Organic nitrogenous compound involved in the inflammatory response and has a central role as a mediator of itching
- 9. During opsonisation, antibodies combine with antigens and act as a ______________ for phagocytes to recognise the antigens and destroy them
- 10. physical defence that prevents the entry of pathogens because it is tough and is difficult for microorganisms to penetrate
- 12. ______________ contains lysozyme that destroys bacteria found in the air that enters the respiratory system