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First & Second lines of Defence

Across
Consist of salty fluids that wash eyes clean
Contain hair and mucus which trap pathogens before they can enter the body
occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause.
Consists of a thick barrier with an acidic surface that prevents pathogens from entering
Protect the eye from dust and other debris
Down
Traps and repels pathogens
The inflammatory response causes this
Cover the eyeball to keep out pathogens, dust and other particles
Protect us against foreign invaders such as pathogens
Contains hydrochloric acid that kills pathogens
Specialized white blood cells that engulf pathogens
Catch pathogens before they enter the body, also stores white blood cells
Contains earwax which traps pathogens