The Immune System

Match each structure with its job. Skin Stops things from coming into contact with our blood and organs. Mucous Catches and disposes of things that are trying to get into our organs (for example, our lungs). Tears Ensures that our conjunctivas are kept clean of microorganisms. Saliva Helps kill microorganisms that might end up in our oral cavity. Interferons Are messages that are sent out by infected cells. Complement system Exists in our blood plasma. Phagocytes Are cells that surround and destroy foreign material. Select the correct word for each definition. Which leukocyte releases histamine? mast cell Which cell will tell another cell to undergo apoptosis if it has to. natural killer cell Which cell is a parasite killer specialist? eosinophil Which cell is similar in function to a mast cell? basophil Which cell is the major phagocyte in the immune system overall? macrophage Match each cell or process with its role in the immune system. Helper T Cell Involved in both cell mediated and antibody mediated immunity. Fever Designed to increase the rate of chemical reactions. Cytotoxic T and Memory T Cells Involved in cell mediated immunity. Plasma B and Memory B Cells Involved in antibody mediated immunity. Dendritic Cell I am a phagocyte and an antigen presenting cell.