Matching Pairs ImmunityOnline version Broad by Dawn Forgione 1 Natural immunity - External 2 Acquired immunity 3 Nonspecific - second line of defense 4 Natural / Nonspecific immunity 5 Factors that affect defense mechanisms 6 Formation of exudate 7 Humoral immunity 8 Chemotaxis 9 Inflammatory reponse 10 Capillary permeability increases (diapedesis) 11 Dilation of capillaries (hyperemia) 12 Cellular immunity 13 Natural immunity 14 Natural immunity - Internal Derived from plasma, containing antibacterial substances, phagocytic cells, and any present antibiotics Born with the ability to resist infections / normal bodily functions Age, hormones, drugs/chemicals, malnutrition, fatigue/stress, genetic factors Chemicals are released which cause phagocytic white cells to migrate to the area Substances (antigens) in the blood are provided protection from microorganisms Requires exposure to a pathogen, recovery usually results in a lifelong immunity to increase blood flow to area Inflammatory response Structural barriers to keep infectious agents out of the body (skin, cilia, etc) Stomach acid, mucus linings, tears, ear wax.. Redness, swelling, heat, pain Allows white blood cells to leave the blood and travel to the injured area First line of defense against infection (external and internal) Removal of foreign substances (antigens) by specialized cells (phagocytosis)
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