11th Grade Immunology Quizzes, Questions & Answers
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The immune system is our shield against diseases and various infectious organisms that try to invade our body. It's a host defense system which is built of many biological structures. So, here in this quiz, you shall face...
Questions: 48 | Attempts: 37631 | Last updated: Feb 24, 2025
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Sample QuestionFirst Line of Defense:
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