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Physical lines of defense include (1 point) skin, cielia, and mucous membranes. skin, cielia, and mucous membranes. hair. hair. nails. nails. teeth. teeth.
Infectious diseases are caused by organisms or viruses that enter and multiply within the human body. (1 point) Responses true true false
True or False: People die from colds each year. (1 point) Responses true true false
What helps spread infectious disease? (1 point) Responses Washing hands Washing hands Practicing food safety Practicing food safety Up-to-date immunizations Up-to-date immunizations Encouraging your sick friends to hang out with you
Which statement is about the flu? (1 point) Responses It is a bacterial disease. It is a bacterial disease. There is never a fever associated with the flu. There is never a fever associated with the flu. It is less serious than the cold virus. It is less

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