The General Defence System (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What are pathogens?
What are pathogens?
Disease-causing organisms
What type of defence is the general defence system?
What type of defence is the general defence system?
Non-specific
How does skin protect against pathogens?
How does skin protect against pathogens?
Acts as a physical barrier
What do sebaceous glands produce?
What do sebaceous glands produce?
Sebum
Which body tracts are lined with mucus membranes?
Which body tracts are lined with mucus membranes?
Breathing, reproductive & digestive
What type of acid is in the stomach?
What type of acid is in the stomach?
Hydrochloric acid
What are cilia?
What are cilia?
Tiny hairs that beat
About how many proteins make up complement?
About how many proteins make up complement?
30
Which organ produces complement proteins?
Which organ produces complement proteins?
Liver
What do complement proteins cause to happen to viruses?
What do complement proteins cause to happen to viruses?
Bursting
What produces interferons?
What produces interferons?
Virus-infected cells
What is the process called when phagocytes ingest pathogens?
What is the process called when phagocytes ingest pathogens?
Phagocytosis
What does histamine cause blood vessels to do?
What does histamine cause blood vessels to do?
Dilate
How does fever stop pathogen activity?
How does fever stop pathogen activity?
Denatures their enzymes
How does lysozyme kill bacteria?
How does lysozyme kill bacteria?
Breaks down cell walls