7.1st Line Defenses:Barriers Flashcards
1
Q
What are physical barriers
A
skin and mucous barriers, hair is also a barrier
2
Q
What are biochemical barriers
A
secretions such as saliva,tears,sweat…
3
Q
What are mechanical barriers
A
reflex movements and secretions
3
Q
Biological barriers
A
organisms present in the body like intestinal flora
