Fighting disease (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does the skin produce to kill pathogens?
What does the skin produce to kill pathogens?
Antimicrobial secretions
What is the role of skin flora in defence?
What is the role of skin flora in defence?
Compete with bad microorganisms
What is the function of cilia in the trachea and bronchi?
What is the function of cilia in the trachea and bronchi?
Beat to waft mucus upwards
What does the stomach produce to kill pathogens?
What does the stomach produce to kill pathogens?
Hydrochloric acid
How does the nose prevent pathogens entering the lungs?
How does the nose prevent pathogens entering the lungs?
Hairs and mucus trap particles
What is phagocytosis?
What is phagocytosis?
Engulfing and consuming pathogens
Where are antigens found?
Where are antigens found?
On the pathogen surface
What happens when antibodies bind to pathogens?
What happens when antibodies bind to pathogens?
Pathogens clump together
Why don't you feel ill when infected again with the same pathogen?
Why don't you feel ill when infected again with the same pathogen?
Antibodies produced faster
What type of substance is lysozyme?
What type of substance is lysozyme?
Enzyme
Who discovered lysozyme and when?
Who discovered lysozyme and when?
Alexander Fleming in 1921
Where is lysozyme secreted?
Where is lysozyme secreted?
Tears, saliva and mucus