Pulmonary Ventilation
Net movement of CO₂ from the __________ to the __________ during expiration.
atmosphere → alveoli
alveoli → atmosphere
Pulmonary Gas Exchange
. O₂ diffuses from __________ into __________.
CO₂ diffuses from __________ into __________.
alveoli → blood
blood → alveoli
Gas Transport
⸻
lungs → systemic cells
systemic cells → lungs
Tissue Gas Exchange
O₂ diffuses from __________ into __________.
⸻
CO₂ diffuses from __________ into __________.
blood → systemic cells
systemic cells → blood
During inspiration, air is __________ into the lungs (inhalation).
brought
During expiration, air is __________ out of the lungs (exhalation).
forced