Two. OROPHARYNX - extends from the uvula to the epiglottis
RESPIRATORY MEMBRANE OF THE LUNGS - where gas exchange between the air and blood takes place
VENTILATION AND RESP. VOLUMES
PRESSURE CHANGES AND AIRFLOW
RESPIRATORY VOLUMES AND CAPACITIES
RESPIRATORY VOLUMES - are measures of the amount of air movement during different portions of ventilation
RESPIRATORY MEMBRANE THICKNESS
DIFFUSION OF GASES IN THE LUNGS
DIFFUSION OF GASES IN THE TISSUES
GAS TRANSPORT IN THE BLOOD OXYGEN TRANSPORT
CARBON DIOXIDE TRANSPORT AND BLOOD pH
RHYTHMIC BREATHING RESPIRATORY AREAS IN THE BRAINSTEM
GENERATION OF RHYTHMIC BREATHING
NERVOUS CONTROL OF BREATHING
CHEMICAL CONTROL OF BREATHING HYPERCAPNIA - a greater than normal amount of carbon dioxide in the blood
EFFECT OF EXERCISE ON BREATHING
RESPIRATORY ADAPTATIONS TO EXERCISE
EFFECTS OF AGING ON THE RESPIRATORY SYSTEM