Data

Copy and paste the text below. It is read-only. Select All

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