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Questions and Answers
What is the primary function of the immune system?
What is the primary function of the immune system?
- To generate energy for the body
- To defend against infections (correct)
- To aid in digestion
- To regulate body temperature
How does the immune system protect the body's cells?
How does the immune system protect the body's cells?
- By attacking healthy cells
- By isolating the body from the environment
- By producing harmful toxins
- By distinguishing and defending against foreign invaders (correct)
What is a key feature of the immune system's memory?
What is a key feature of the immune system's memory?
- It records every germ it has defeated (correct)
- It focuses only on known bacteria
- It forgets previous infections to create space for new ones
- It weakens with each new infection encountered
Which of the following is NOT a component of the immune system?
Which of the following is NOT a component of the immune system?
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Why is it important for the immune system to recognize and destroy microbes quickly if they re-enter the body?
Why is it important for the immune system to recognize and destroy microbes quickly if they re-enter the body?
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