Maffi663 Maffi663

14-12-2017
Biology

contestada

What is the main driving force that directly causes air to flow in and out of the respiratory system? hint: it is the same force that creates blood flow?

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Skasksla Skasksla

15-12-2017

As the volume of the thoracic cavity changes, it creates a pressure gradient that allows air to flow.

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