Inside your body there is an amazing protectio n mechanism called the immune system it is designed to defend you against millions of bacteria microbes . The main job of the human immune system is to protect the body from disease here are 11 interesting facts about the immune system you may not have known. Related book ebook pdf immune system amazing human body home patterns for catechesis of the good shepherd patterns for college writing 12th edition answers. Immune system the amazing human body 9780761430544 medicine health science books amazoncom
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