A. Circle the term that does not belong in each of the following groupings. ↑ respiratory rate       ↓  bloodCO2           Alkalosis                Acidosis Acidosis                    Carbonic acid         Hypoventilation       CO2 buildup Acidosis                    Hyperventilation      Hypoventilation       CO2 buildup Apnea                       Cyanosis               ↑ O2                     ↓ O2 ↓ pH                         ↑ blood CO2           Acidosis                blood H+   B. Differentiate between external and internal respiration.

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