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