Species Resistance and Types of Barriers Flashcards
1
Q
what is species resistance
A
Genetic characteristics of an
organism or species that defend against pathogens
2
Q
what are the first lines of defense
A
mechanical and chemical barriers
3
Q
what is the internal environment of the body protected by
A
barrier formed by skin and mucous membranes
4
Q
what do skin and mucous membranes provide
A
additional immune mechanisms
5
Q
what are the 2nd lines of defense
A
inflammation response and phagocytosis
6
Q
what are the third lines of defense
A
specific immune responses
natural killer cells