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Respiratory system physiology

With every inhale, air rushes through your windpipe to your lungs. After 20 to 30 branch points, oxygen diffuses into the liquid around the alveoli and slips into your blood. Carbon dioxide travels from the blood to the air and leaves the body when you exhale. Learn more about the respiratory system in these videos!

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Tags Test-Prep NCLEX-RN

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Khan Academy

Rating Not enough ratings
Length
Starts On Demand (None)
Cost $0
From Khan Academy
Instructor
Free Limited Content
Language English
Tags Test-Prep NCLEX-RN