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