Human Defence Against Disease Flashcards
1
Q
What does the skin do to stop pathogens?
A
Acts as a barrier to pathogens and secretes antimicrobial substances which kill pathogens
2
Q
What do the hairs and mucus in your nose do to stop pathogens?
A
They trap particles that could contain pathogens.
3
Q
What do the trachea and bronchi do to stop pathogens?
A
Secrete mucus to trap pathogens.
4
Q
What does the hair-like structures called cilia do to stop pathogens?
A
Waft the mucus up to the back of the throat where it can be swallowed.
5
Q
What does the stomach do to stop pathogens?
A
Produces hydrochloric acid which kills pathogens that make it that far.
