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What is the body's first line of defense against bacteria and viruses
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What is the body's first line of defense against bacteria and viruses

User Knpsck
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2 votes

Answer:saliva, mucus, and hairs

Explanation:cus it is

User Leemosh
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mucus, saliva but also there is something called the lymphatic system which is part of the circulatory system and consists of lymphatic vessels and lymphnods, lymphnods are all over you body
User Mpavel
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