Symptoms - The body’s response to a disease, e.g. sore throat, high temperature., Antibiotic - A useful drug that helps our body to fight a disease., Antiseptic - A substance that can be put on the skin to kill germs., Disinfectant - A strong chemical used to kill germs on work surfaces, floors and toilets., Microbes - Bacteria, fungi and viruses so small you need a microscope to see them., Sterilised - Providing conditions that are free from microbes (germs)., Fermentation - The respiration of yeast without oxygen to form alcohol., Antigens - Chemicals on the surface of microbes which cause antibodies to be formed., Vaccination - An injection of a weak or dead form of the disease microbe, Exothermic - A reaction in which heat (energy) is given out.,

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