Innate nonspecific defences Flashcards
1
Q
What is species resistance?
A
A species is resistant to diseases that affect other species
2
Q
What is species resistance based on what factors?
A
Different chemical environments
A body temperature that does not provide the conditions required by the pathogens
Presence or absence of receptors for a particular type of pathogen
3
Q
What do mechanical barriers to?
A
Prevent the entry of certain pathogens by providing a physical separation of pathogens and internal tissues
4
Q
Examples of mechanical barriers
A
: unbroken skin and mucous membranes of the body
5
Q
What do mechanical barriers include?
A
hair, mucus, and sweat
6
Q
What do Mechanical barriers represent?
A
body’s first line of defence
7
Q
What is The rest of the innate defences part of?
A
Second line of defence
