Immune System Flashcards
what are the 3 types of white blood cells?
macrophages, T lymphocytes, and B lymphocytes
What is the function of a macrophage
to alert T cells of the presence of bacteria
what is the function of a T lymphocyte
directly attack cells infected by bacteria
function of a B lymphocyte
target specific bacteria for destruction
two types of immune responses
Antibody mediated - response is to an antigen
Cellmediated - when response is to an already infected cell
what is the purpose of memory cells
to help the body remember previous pathogens, and counterattack even stronger the 2nd time
where are white blood cells produced
red bone marrow
what are the 5 types of leukocytes
monocytes, T lympocytes, B lymphocytes, granulocytes, natural killer cells
what is a macrophage
larges, longest living phagocyte that engulfs and destroys pathogens
what is a dendritic cel
present antigens to the T cells
Function of a neurophil
short living phagocytes that repsond quickly to invaders
Function of basophils
alert the body of invasion
function of eosinophils
large, long living phagocytes that defend against multicellular invader
Types of T lymphcytes
T killer cells, T helper cells, T suppressor cells, and T memory cells
Function of T killer cell
destory cells that are infected with a virus, tumor or pathogen