skin, nose, trachea and bronchi and the stomach - I have non-specific defence systems against pathogens, tears in the eye - I contain enzymes to destroy pathogens, skin - I cover almost all parts of the body to prevent infection from pathogens, scab - I am formed when platelets in the blood release chemicals, red blood cells - I get stuck in the mesh at the site of a wound, nose - I make mucus to trap pathogens before they can enter the trachea and lungs, trachea and bronchi - My ciliated cells have hairs called cilia, hydrochloric - I am an acid strong enough to kill pathogens, phagocyte - I surround pathogens in the blood and engulf them, lymphocyte - I recognise proteins on the surface of pathogens called antigens., antigen - I am a protein on the surface of a pathogen, toxin - I am neutralised by antitoxins made by lymphocytes, memory cell - I am a cell which remains in the bloodstream after an infection,

Specific and non specific defences against infection

Leaderboard

Visual style

Options

Switch template

Continue editing: ?