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Questions and Answers
What are antigens?
What are antigens?
- Cells that are packages of proteins, carbohydrates, and fats
- Chemical name tags on the surface of a cell that cause an immune response (correct)
- Viruses that cause diseases like HIV, influenza, and COVID
- Foreign substances that attack the body
Which system is NOT listed as a point of entry for attacks in the text?
Which system is NOT listed as a point of entry for attacks in the text?
- Integumentary system (correct)
- Respiratory system
- Urinary system
- Digestive system
What is the role of lymphocytes in the immune system?
What is the role of lymphocytes in the immune system?
- Breaking down foreign substances in the body
- Defending the body against bacteria and fungi
- Producing antibodies to fight viruses
- Attacking abnormal body cells like cancer cells (correct)
What is the purpose of the cell wall in animals?
What is the purpose of the cell wall in animals?
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What is the function of the circulatory system in the avenues of attack mentioned in the text?
What is the function of the circulatory system in the avenues of attack mentioned in the text?
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