Topics: Infection Detection Quiz
When germs get inside your body, multiply, and make you sick.
A. infection
B. germs
C. communicable disease
D. scientist
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What are the four structures that help protect the body from infection?
A. skin, fingernails, mucus, elbow
B. fingernails, mucus, white blood cells, cilia
C. skin, mucus, white blood cells, cilia
D. skin, elbow, mucus, cilia