Immune System Revision Crossword Puzzle

QUESTIONS LIST:

• antibody : y shaped proteins made by plasma cells that bind to antigens
• antigen : cell markers that allow cells to be identified as 'self' or 'non-self'
• opsonin : a type of antibody that aids with phagocytosis
• pathogen : a microorganism that causes disease
• neutrophil : a type of phagocyte with a multi-lobed nucleus
• macrophage : a type of phagocyte that can act as an antigen presenting cell
• phagocytosis : the process of a pathogen being engulfed and broken down
• bacteria : type of prokaryotic cell that can be a pathogen
• virus : type of pathogen that is not a cell
• protozoan : type of eukaryotic cell that can be a pathogen by entering host cells
• fungi : type of eukaryotic cell with a chitin cell wall that can be a pathogen
• prion : misfolded protein that can cause disease
• parasite : multicellular pathogen e.g. tapeworm
• histamine : released by mast cells to cause inflammation