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The Lungs How They Capture Oxygen

2 imagenes, 8 preguntas, 1 definicion, 1 dato, 1 encuesta sobre The Lungs How They Capture Oxygen en ARTi.

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How the lungs capture oxygen

Imágenes

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The trachea protective shield

teacher The windpipe uses rigid cartilage rings to stay open under pressure.

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The nasal filtration system

teacher Your nose warms, humidifies, and filters air before it reaches the delicate lungs.

Fun Facts

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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.

Quizzes

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Quiz

What is the main purpose of the tiny hairs called cilia in the human nose?

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Quiz

What is the name of the windpipe that connects the larynx to the bronchi?

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Quiz

What happens to the dust-trapping mucus swept up by the mucociliary escalator?

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Quiz

How many times does the human airway branch from the windpipe to the smallest air passages?

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Quiz

What temperature does the nasal cavity warm cold air to before it reaches the lungs?

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Quiz

Why are the cartilage rings in the human trachea C-shaped instead of complete circles?

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Quiz

How fast do the microscopic cilia in your airways beat to sweep away debris?

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Quiz

What size of particles can the nasal filtration system successfully trap?

Glosario

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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.

Gossip

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Gossip

Which breathing habit do you catch yourself doing most?