human defence system Flashcards
1
Q
a pathogen, define?
A
is a disease-causing organism
2
Q
immunity, define?
A
is the ability to resist infection.
3
Q
the general defence system wut does it do?
A
this acts naturally as a barrier to all pathogens entering the human body. 1st line of defence
4
Q
list all the natural barriers to pathogens?
A
- skin -mucus
- clotting - cilia
- lysozyme - beneficial bacteria
- sebaceous glands
- acid( HCL in the stomach)
