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Download Starter: Write your own definition for the following key terms
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Transcript
Starter: Write your own definition for the following key terms •Infectious •Disease •Microorganism •Pathogen •Bacteria •Virus •Toxin •Symptoms L2: Microbes and Disease Learning Objectives: • Recall that bacteria and viruses are pathogens. • Explain how pathogens can be infectious and spread disease. • Compare how bacteria and viruses cause disease. • Infectious – can be passed from one person to another • Disease – an illness caused by infection or failure of health • Microorganism – a living thing that is too small to be visible to the human eye • Pathogen – a microorganism which causes disease • Bacteria – a type of microorganism • Virus – an extremely small microorganism, debatable whether they are alive • Toxin – a poisonous substance that causes disease • Symptoms – the physical changes in the body caused by a disease How does disease spread?
