What are factors that affect pulmonary ventilation Direction of diffusion of gasses Pulmonary volumes and capacities Methods of gas transport O2-Hemoglobin saturation curves - what determines O2 saturation; what affects O2 satura What is Infant Respiratory Distress Syndrome? How are the chest wall and lung coupled during ventilation What is respiratory acidosis? Alkalosis? What is the strongest signal stimulating respiration? How does the body compensate for a ventilation-perfusion mismatch?