Communicable Diseases (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Where in the body is lysozyme enzyme found?
Where in the body is lysozyme enzyme found?
In tears and saliva
What does lysozyme enzyme do to bacteria?
What does lysozyme enzyme do to bacteria?
Breaks down their cell walls
Why does the stomach produce hydrochloric acid?
Why does the stomach produce hydrochloric acid?
To kill pathogens from food and drink
What is described as the most important physical barrier?
What is described as the most important physical barrier?
Skin
What does sticky mucus in the airways do?
What does sticky mucus in the airways do?
Traps pathogens
What are cilia?
What are cilia?
Tiny hair-like structures in airways
How do cilia help protect the body?
How do cilia help protect the body?
Sweep mucus and pathogens toward throat
What happens to pathogens swept up by cilia?
What happens to pathogens swept up by cilia?
Swallowed and destroyed by stomach acid
What do antimicrobial substances produced by skin do?
What do antimicrobial substances produced by skin do?
Kill bacteria or stop their growth
How do helpful bacteria on skin protect us?
How do helpful bacteria on skin protect us?
Kill harmful bacteria and compete for food
What is the main function of scabs?
What is the main function of scabs?
Keep pathogens out during healing
What effect does cigarette smoke have on cilia?
What effect does cigarette smoke have on cilia?
Damages and paralyses them