ARTi

How the lungs capture oxygen

Chapter 1

The architecture of the airway

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Answer

Chapter 2

The magic of the alveoli

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Answer

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 4 · Adapting to the extremes
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Pocket Puffers

teacher Pocket Puffers

2h ago

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teacher Breathe it in! (Breathe it in!) A tennis court of air opens up within!

10h ago

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Deep-diving mammalian reflexes

teacher Deep-diving mammalian reflexes

10h ago

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Fun Fact

Snail lungs: Some land snails have a single lung that opens to the outside through a tiny breathing hole called a pneumostome.

10h ago

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Andean chest expansions

teacher Andean chest expansions

10h ago

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Glossary
hypoxia (noun)
A state in which the body or a region of it is deprived of adequate oxygen supply at the tissue level. In 1978, Reinhold Messner climbed Mount Everest without bottled oxygen, demonstrating human resilience to this condition.

10h ago

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Quiz

What trigger initiates the mammalian dive reflex in humans?

10h ago

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Gossip

Where would you rather live for a year to test your lungs?

10h ago

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Quiz

What physical adaptation is common in indigenous Quechua populations of the Andes?

10h ago

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Quiz

Above what altitude do athletes typically train to trigger natural blood adaptation?

10h ago

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Quiz

How much can the human heart rate drop during the mammalian dive reflex?

10h ago

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Quiz

Which hormone is released by the kidneys to stimulate red blood cell production at high altitudes?

10h ago

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Quiz

Why is thickening of the blood (polycythemia) a risky response to high altitude for lowlanders?

10h ago

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Quiz

Which organs are prioritized for oxygen delivery during the mammalian dive reflex?

10h ago

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Quiz

What genetic advantage helps Himalayan Sherpas thrive in thin mountain air?

10h ago