Second line of defence (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 is the main function of phagocytes?
What is the main function of phagocytes?
They digest pathogens
Where do white blood cells patrol for pathogens?
Where do white blood cells patrol for pathogens?
Throughout the body in blood
What type of immune response are B-Lymphocytes involved in?
What type of immune response are B-Lymphocytes involved in?
Specific immune response
Where are antigens found?
Where are antigens found?
On cell membrane of pathogens
Are antigens specific to each species?
Are antigens specific to each species?
Yes, they are specific
What is one way antibodies destroy microbes?
What is one way antibodies destroy microbes?
By punching holes in them
Why do antibodies stick pathogens together?
Why do antibodies stick pathogens together?
So they can't move and be engulfed
What do anti-toxins do?
What do anti-toxins do?
Counteract toxins from pathogens
What are pathogens?
What are pathogens?
Microorganisms that cause disease
What happens when a lymphocyte recognizes antigens?
What happens when a lymphocyte recognizes antigens?
It activates and starts immune response
Is each antibody specific to a particular antigen?
Is each antibody specific to a particular antigen?
Yes, each is specific
Which cells produce antibodies?
Which cells produce antibodies?
B cells (type of lymphocyte)