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Ep 115 Altitude Sickness: Balloons though?

This Podcast Will Kill You

CHAPTER

The Importance of Fresh Air in Lungs

Hook's colleague Richard Lower performed an experiment in 1669 where he compared the blood that had passed through the lungs with fresh air. The freshly ventilated blood was bright red and the venous blood a much darker red. What this color difference meant wasn't clear, but it did show that when blood came into contact with fresh air in the lungs, something changed. At around the same time, Malpiggy shed light on that lung blood interface through his descriptions of alveoli and pulmonary capillaries.

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