Human defence systems Flashcards
1
Q
How does the skin defend the body from pathogens?
A
Acts as a barrier and secretes antimicrobial substances which kill pathogens.
2
Q
How does the nose defend the body from pathogens?
A
Hairs and mucus in your nose trap particles that could contain pathogens.
3
Q
How does the stomach defend the body from pathogens?
A
Produces hydrochloric acid which kills pathogens
4
Q
How does the trachea and bronchi defend the body from pathogens.
A
They secrete mucus to trap pathogens.
The lining is also covered in cilia that waft the mucus to the back of the throat to be swallowed.
