Non-specific human defence systems against disease
What does non-specific mean?
How does the skin play a role?
What about the eyes?
How might pathogens enter through the skin?
How does the nose play a role?
What does the trachea do? Bronchi?
What are ciliated cells?
What are goblet cells?
What does the stomach do?
Which of the above are chemical? Physical?
What’s the difference between red blood cells and white blood cells?
Name two types of white blood cell?
What happens if pathogens cross the first line of defence?
What is the role of the second line of defence?
What are the 4 steps of phagocytosis?
Is phagocytosis nonspecific or specific?
Lymphocytes
What are lymphocytes?
What do they recognise?
What are antigens?
What do they produce?
What does foreign mean?
What do the antibodies do to the pathogens?
Can pathogens produce toxins?
What are antitoxins?
Are antibodies and antitoxins specific? What does this mean
What does non-specific mean?
How does the skin play a role?
What about the eyes?
How might pathogens enter through the skin?
How does the nose play a role?
What does the trachea do? Bronchi?
What are ciliated cells?
What are goblet cells?
What does the stomach do?
Which of the above are chemical? Physical?
What’s the difference between red blood cells and white blood cells?
Name two types of white blood cell?
What happens if pathogens cross the first line of defence?
What is the role of the second line of defence?
What are the 4 steps of phagocytosis?
Is phagocytosis nonspecific or specific?
Lymphocytes
What are lymphocytes?
What do they recognise?
What are antigens?
What do they produce?
What does foreign mean?
What do the antibodies do to the pathogens?
Can pathogens produce toxins?
What are antitoxins?
Are antibodies and antitoxins specific? What does this mean
