What are the 3 types of microorganism? 1 2 3 What is a microbe? People are often Vaccinated against diseases like Tuberculosis and Measles. This make us immune to those diseases.. Explain how immunisation works. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ How do pathogens get into our body? Draw on the diagram and explain the ways in which pathogens enter the human body. Why should we only use a tiny amount of a weakened microbe? How does our body keep out pathogens? Draw on the diagram ways our body keeps pathogens out. You can grow micro-organisms in a _____ containing a gelatinous layer of ______ mixed with ______ to feed on. The _______ are spread across the gel using a ______ wire loop. Sterilised agar petridish nutrients bacteria Non natural defence systems: We can use some ‘non natural’ systems to help us defend against microbes and pathogens. Name 4 1 2 3 4 What 6 ways are microorganisms spread? Define Immune:

Microorganism Cell Wall Cell Membrane Nucleus Other features Bacteria Tick whether each micro-organisms has a cell wall/membrane or nucleus. Add any additional features. How do white blood cells help combat disease? Describe each way. 1 2 3 Microorganism Cell Wall Cell Membrane Nucleus Other features Bacteria Virus Fungi Draw line to link the method of stopping microbes and what it prevents For the diseases in the table: identify the microbe and symptoms. Method Prevents the spread of…….. Canning, pickling and cooking Tuberculosis Washing your hands with soap Sexually transmitted diseases Pasteurisation of milk Food poisoning from bacteria Condom Cholera from bacteria in water Chlorine in water Upset stomach Disease Bacteria, virus or fungus? Symptoms caused Salmonella (food poisoning) Chicken pox Athletes foot HIV Cholera Define Vaccination: Key words: bacteria fungus microbe organism virus yeast gene respiration alcohol fermentation disease fever infect infectious theory antibody antiseptic ciliated epithelial cell disinfectant engulf mucus pasteurisation scab antibiotic immune vaccine microorganism nutrition excretion growth movement reproduction sensitivity chromosome flagellum cytoplasm cell wall membrane How many diseases/pathogens can one type of antibodies be produced to target? When yeast cell respire the gas produced makes bread rise. Write the word equation for this below. ___________ + ____________ → ___________ ___________ + ______________. Name 3 useful and 3 harmful microorganisms: Useful: _____________________________________________ Harmful: ____________________________________________ What are antibiotics and which microorganisms can they be used to treat? Give an Advantage and Disadvantage of Vaccination.