November 22, 2024
A Level Biology

A Level Biology “Breathing in Humans”

Author: Freesciencelessons via YouTube
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A Level Biology

In this video, we look at breathing in humans. This is also called ventilation. First we explore inhalation, looking at the muscles involved and how inhalation is an active process. We then explore exhalation. We also look at how the internal and external intercostal muscles are antagonistic.

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