Ch 37 the human defence system Flashcards
Immunity
Ability of an organism to prevent disease
General defence system
Acts as a barrier to all micro organisms trying to enter body
Specific defence system
Attack and destroy certain paths gins using white blood cells and antibodies
Antigen
Is a foreign molecule that causes the production if antibodies
Antibody
Protein made by white blood cells in response to an antigen
Induced immunity
Allows an organism to resist disease caused by pathogens which causes the proxy ruin if abut bodies
Active immunity
Production of a persons own antibodies caused by antigens entering the body
Artificial active immunity
Production of antibodies due to the pathogens being medically introduced to the human body
Natural active immunity
The production of antibodies to the pathogens entering the body in a natural way
Passive immunity
Takes place when antibodies are given to organisms that have been made by another organism
Artificial passive immunity
Takes place when a person is given antibodies by injections which are made by another organism
Natural passive immunity
Takes place when a child receives antibodies from their mother
B cells
Are made in the bone marrow
Produce antibodies
T cells
Made in thymus glands
Memory B cells
Remain after the infection so they can respond if an antigen enter body again
