parts of immune system Flashcards
1
Q
what is first line of defense against infections
A
innate defense system
2
Q
what does innate defense system consist of
A
mucus membranes
enzymes
and stomach acid
3
Q
what is one of the first responses of the innate defense system
A
inflammatory response
4
Q
what happens during inflammatory response
A
blood vessels dilate and white blood cells and fluids are sent to the area of infection
5
Q
what is caused when histamines are released
A
increased blood flow to area and white blood cells called phagocytes
6
Q
what do phagocytes do
A
destroy unknown bacteria
7
Q
how does histamine response help
A
remove foreign invader and begin healing process
