6.4 Gas Exchange

A powerpoint from the OLD syllabus, much is still relevant.

Fantastic animated tutorials from McGraw Hill Education – alveolar pressure changes during breathing & gas exchange during respiration (breathing).

How do the Lungs work? – a three and a half minute lesson from TED-Ed:

Paul Andersen describes The Respiratory System in an 8m 46s tutorial.

In Crash Course Biology #27 – Circulatory & Respiratory Systems, Hank takes us on a trip around the body – we follow the circulatory and respiratory systems.

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