Several methods help the body avoid infection by pathogens, including specialised cells, mechanical barriers and chemical barriers. Which row shows the correct example for each method?
- Aspecialised cells: hairs in the nose; mechanical barrier: stomach acid; chemical barrier: phagocytes
- Bspecialised cells: hairs in the nose; mechanical barrier: phagocytes; chemical barrier: stomach acid
- Cspecialised cells: phagocytes; mechanical barrier: stomach acid; chemical barrier: hairs in the nose
- Dspecialised cells: phagocytes; mechanical barrier: hairs in the nose; chemical barrier: stomach acid