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What is the body's first line of defense against bacteria and viruses? saliva, mucus, and hairs antibodies lymphocytes lymph nodes

What is the body's first line of defense against bacteria and viruses? saliva, mucus, and hairs antibodies lymphocytes lymph nodes
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What is the body's first line of defense against bacteria and viruses? saliva, mucus, and hairs antibodies lymphocytes lymph nodes

User Juan Diego Antezana
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3 votes

Answer:

It's mucus

Step-by-step explanation:

User JBravo
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Well your skin is the first line of defense
User Peter Anselmo
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