How can we help?

You can also find more resources in our Help Center.

27 terms

Immunity

STUDY
PLAY
disease
the absence of homeostasis, the cause of loss of equilibrium in organism that results in illness
host
the organism that a nourishes and supports a parasite
imbalance
when a cell, organ, organism, or ecosystem is outside the "normal," healthy range, a loss of homeostasis, a loss of equilibrium
immune system
collection of organs that fight and promote resistance to disease
immunity
resistance to disease
infections
invasions by pathogens
infectious agent
a pathogen
microbes
microscopic organisms
parasite
an organism that lives on or in a host and causes it harm
pathogen
a disease causing organism
pathogenic
the characteristic of being able to cause a disease
toxic
having the ability to damage an organism
toxin
any substance than is inhaled, ingested, or absorbed at dosages high enough to damage a living organism.
vaccination
injection of a weakened or mild form of a pathogen to produce immunity
viral disease
loss of homeostasis caused by a virus
virus
a strand of hereditary material surrounded by a protein coating, needs a host so it can replicate
AIDS
The name of the late stages of HIV infection; defined by a specific reduction of T cells and the appearance of characteristic secondary infections.
white blood cell
a blood cell that fights disease
engulf
swallow up
allergic reactions
immune reactions to normally harmless substances
antibiotic
compound that blocks the growth and reproduction of bacteria
antigens
foreign substances that stimulate the production of antibodies.
bacteria
single-celled organisms that lack a nucleus; prokaryotes
diagnosis
identification of a disease, identifying the nature or cause of some phenomenon
active immunity
immunity produced by exposure to an antigen, as a result of the immune response
passive immunity
immunity that results when an individual receives the immune agents from some source other than his or her own body
antibody
a protein made by white blood cells that act against a specific antigen