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Colours of Blood
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this post was submitted on 29 Oct 2024
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Whenever I see this image I always wonder 2 things:
It's sensitive to pH, so it absorbs oxygen more readily in the lungs, and releases it slightly more near tissues that need it, as they have co2 which slightly acidifies the blood in solution (h2co3).
It's effective and well tuned for our biology, it doesn't bond strongly, and is well suited for the air-blood interface, unlike others that often favor water-blood or water-the fluid worms use instead.
Thank you. Clear, easily understood explanations of questions I always wondered. ๐๐ผ