Quiz: Human Defence Barriers
AQA GCSE Combined Science specification.
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Building on what you've learned about disease, let's test your knowledge of human defence barriers like skin, mucus, cilia, and stomach acid!
Which human defence barrier prevents pathogens from entering through cuts?
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Which of the following are examples of human defence barriers? (Select all that apply)
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The {{blank0}} sweeps mucus and pathogens out of the respiratory system.
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Match the items on the left with their correct pairs on the right
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What does stomach acid do to pathogens?
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Match the items on the left with their correct pairs on the right
Which of these statements about cilia is correct?
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Which statements about human defence barriers are true? (Select all that apply)
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The {{blank0}} acts as a physical barrier, while {{blank1}} traps pathogens in the respiratory system.
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Why are cilia important in the respiratory system?
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