The job of the immune system is …, Protect the body, Good bacteria helps the digestive system to…, Break down our food, Viruses can infect…, animals, plant, people, How do bacteria make more of themselves?, binary fission, Bacteria can’t be seen without a…, microscope, They are protected by a, coating of protein, Examples of a bad bacteria are, food poisoning, pneumonia, and tetanus, What does a virus inject into a cell?, its genetic material

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