Name 3 types of microorganisms. - Bacteria, Fungi, Virus, Name a common disorder caused by bacteria. - Food posioning, How does a bacteria differ from other cells? - Does not have a nucleus, Suggest how a bacterial infection could be avoided. - Regular washing of hands, Name a common disorder caused by fungi - Athletes foot, Name a disorder caused by a virus - Flu, How does a virus differ from living organisms? - Cannot reproduce by itself., Describe how the transmission of a virus such as Covid-19 can be reduced. - Wearing a mask, What is meant by immunity? - The ability to resist infection, What is a pathogen? - A disease causing organism, How does the body prevent the entry of pathogens? - Physical barriers such as skin, cilia, mucus., How does the immune system attack pathogens that enter the body? - White bllood cells can engulf bacteria. Antibodies are made to help the body fight off further infections., What is a vaccine? - A non disease causing dose of pathogen to stimulate antibody production, What is an antibody? - Proteins produced by white blood cells in response to antigens., What is an antibiotic? - Substance made by micro-organisms to kill other micro-organisms.,

Microorganisms

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