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This Concept Map, created with IHMC CmapTools, has information related to: RespiratorySystemAmbroseCalandraOsypiukRybergWestover, hemoglobin unloads O2 to tissue, pleural space has a negative (relative to Ppul) partial pressure, CO2 most commonly carried in plasma as HCO3, pH affects the tertiary structure and subsequently the affinity for O2 of hemoglobin, pulmonary blood vessels constrict or dilate in order to increase blood flow to adequately ventilated alveoli, tissue constantly undergo metablic processes which require O2, conducting zone consists of pathways for ventilation, partial pressure is force per unit area exerted in gaseous mixture by CO2, HCO3 presence in blood decreases its pH, temperature affects amount of Hb bound by O2, alveoli are sites of exchange of O2, medullary respiratory center signals expansion and relaxation of diaphragm, chemoreceptors sense blood levels of CO2, plasma may compensate for varying amounts of lung loss by filling the pleural space, hemoglobin binds O2, allowing transport through blood despite its low solubility, partial pressure is force per unit area exerted in gaseous mixture by O2, norepinephrine triggers dilation of bronchioles in conducting zone, CO2 binds to amino acids to the globin portion of hemoglobin, pH is maintained in a physiological range in most tissue, respiratory zone includes alveoli