The Immune System 

PATHOGEN

________: what makes you sick; bacteria, virus, fungus.

Outside

________: non specific.

ANTIGENS

________: foreign molecules hat elicit a response by lymphocytes (portion of pathogen)

HUMORAL IMMUNE RECEPTORS

________: involves the activation and clonal selection of effector B cells.

B LYMPHOCYTES

Inside- specific "immune response. ________: proliferate in the bone marrow.

CLASS II MHCS

________: made by some cells of the immune system, including dendritic cells, macrophages, and B cells.

CLASS I MHCS

There are two types: ________: found on almost all cells of the body except RBCs.

T LYMPHOCYTES

Inside- specific "immune response. B LYMPHOCYTES: proliferate in the bone marrow. ________: mature in the thymus.

HELPER T CELLS

________: aid both responses.

MEMORY CELLS

________: long lived, bear receptors for the same antigen T cell receptors bind antigens that are displayed by antigen presenting cells on their MCHs.

EFFECTOR CELLS

________: combat the antigen by producing antibodies specific to that antigen.