COMPONENTS NECESSARY FOR ADEQUATE PERFUSION:
COMPOSITION OF AMBIENT AIR, PATENT AIRWAY, MECHANICS OF VENTILATION, REGULATION OF VENTILATION, VENTILATION/PERFUSION RATION, TRANSPORT OF OXYGEN AND CARBON DIOXIDE BY THE BLOOD, BLOOD VOLUME, PUMP FUNCTION OF THE MYOCARDIUM, SYSTEMIC VASCULAR RESISTANCE, MICROCIRCULATION, AND BLOOD PRESSURE