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