immune system 1 Flashcards
1
Q
what is the role of the immune system
A
Immune system is body’s ability to resist or eliminate potentially harmful foreign materials (pathogens)
Immunity = protection from infectious diseases
key words resist and eliminate
2
Q
examples of pathogens that can inflict the body
A
parasites
bacteria
protozoa
fungi
3
Q
what is the overview of the immune system
A
innate and adaptive immune system
4
Q
first line of defense mechanism
A
digestive enzymes
sweat that contains lysozyme
tears and saliva which also contains lysozymes.
5
Q
what are the arms of the immune system
A
innate and adptive immunity
6
Q
what is innate immunity made of ?
A
natural killer cells
complement system