 Dissolved in blood plasma as bicarbonate ion Tissue cells Plasma CO 2 dissolves in plasma CO 2 combines with Hb CO 2 + H 2 OH 2 CO 3 H+ + HCO 3 – HC
{"Image DocumentName": "Releasing CO2 from blood at lungs", "Image ImageDescription": "Lower CO2 pressure at lungs allows CO2 to diffuse out of blood into lungs. Plasma. Lungs: Alveoli. CO2 dissolved. in plasma. HCO3\u2013Cl\u2013 CO2. H2CO3. Hemoglobin + CO2. CO2 + H2O. HCO3 \u2013 + H+", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}