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lymphatic vessels, lymph, lymphoid organs, and lymphocytes
The major components of the lymphoid system
helper T cells and suppressor T cells
Lymphocytes that assist in the regulation and coordination of the immune response
physical barriers, phagocytic cells,
immunological surveillance, fever,
interferons, complements, and inflammation
The body's nonspecific defenses that are present at birth
NK (natural killer) cells sensitive to the presence of abnormal cell membranes are primarily
involved in what?
Circulating proteins that reset the thermostat in the hypothalamus, causing a rise in body
direct attack by T cells and circulating antibodies
The two major ways the body "carries out" the immune response
Immunity that results from the transfer of antibodies to an individual from some other source
humoral responses; antigens
B cells are involved with ________ and create a chemical attack on ________.
When the immune system fails to develop normally or the immune response is blocked in some way
provide protection against threats on an individual basis
Compared with nonspecific defenses, specific defenses
helper T cells
The human immunodeficiency virus (HIV) that causes the disease known as AIDS selectively
infects what immune cells?
Red blood cells that are damaged or defective are removed from the circulation by what organ?
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