Chapter 1
The architecture of the airway
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Chapter 2
The magic of the alveoli
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Chapter 3
The mechanics of the breath
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Chapter 4
Adapting to the extremes
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Chapter 5
The history of discovering respiration
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YOUR GOAL
Master of How the lungs capture oxygen
Ch 1 · The architecture of the airway
artiteacher The architecture of the airway
The air and blood are barely kept apart, To rush the oxygen right to your heart.
Fun Fact
Airway length: The total length of the branching airways inside your lungs is about 1,500 miles, long enough to cross the United States.
Glossary
trachea (noun)
A large membranous tube extending from the larynx to the bronchi that conveys air to and from the lungs. In humans, this tube contains up to twenty sturdy cartilaginous rings that prevent the passage from collapsing.
A large membranous tube extending from the larynx to the bronchi that conveys air to and from the lungs. In humans, this tube contains up to twenty sturdy cartilaginous rings that prevent the passage from collapsing.
Quiz
How many times does the human airway branch from the windpipe to the smallest air passages?
Quiz
What temperature does the nasal cavity warm cold air to before it reaches the lungs?
Quiz
Why are the cartilage rings in the human trachea C-shaped instead of complete circles?
