4.1 Non- specific defence against pathogens Flashcards
1
Q
Name the 6 primary non- specific defence systems-
A
Skin, mucus membranes, expulsive reflexes, inflammation, wound repair, blood clotting
2
Q
How does the skin defend against pathogens?
A
It covers the body and acts as a physical barrier to block entry of pathogens
3
Q
How do mucus membranes defend against pathogens?
A
Secrete sticky mucus which traps pathogens
4
Q
What enzyme does mucus contain and how does it defend against pathogens?
A
Lysozymes, break down the cell wall of bacteria
5
Q
What else is found in mucus that defends against pathogens?
A
Phagocytes
6
Q
Where are lysozymes found?
A
In body fluids e.g. blood, tears and sweat
7
Q
A
8
Q
A
9
Q
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