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arthur_affect's profile
Arthur Chu
Arthur Chu
Arthur Chu
Verified account
@arthur_affect

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Arthur ChuVerified account

@arthur_affect

Mad genius, comedian, actor, and freelance voiceover artist broadcasting from the distant shores of Lake Erie (he/him)

Broadview Heights, Ohio
arthur-chu.com
Joined August 2009

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    1. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      One choice they made in Cells at Work was showing the Red Blood Cells as the general "delivery people" of the body, bringing in O2 and removing CO2, delivering sugar from the stomach, etc You can see why they did it but it's a missed opportunity to look at some cool biology imo

      1 reply 13 retweets 58 likes
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    2. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      Because while this gives the anthropomorphic characters more to do, we don't actually need cells to "carry" most substances in blood They're just dissolved in blood plasma directly And obviously red blood cells don't "deliver" anything, they're moved around by the heart

      3 replies 1 retweet 22 likes
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    3. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      For most stuff that needs to be moved around the body just keeping the blood pumping is sufficient The cells themselves control what goes into (food) and comes out of them (waste) In fact in a lot of animals that's all it is - invertebrates don't have red blood cells

      3 replies 1 retweet 21 likes
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    4. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      That's why the goo when you crush a bug is clear, or stained only with the color of the bug's organs Insect blood only has the equivalent of our white blood cells (so in them they're just called "blood cells", hemocytes)

      1 reply 0 retweets 14 likes
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    5. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      The reason we have red blood cells isn't that they "deliver" oxygen (red blood cells, unlike the cute character in the anime, aren't motile and don't control their movement) Red blood cells are *containment* Vertebrates have red blood cells because we use *too much oxygen*

      1 reply 3 retweets 20 likes
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    6. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      And oxygen is INCREDIBLY DANGEROUS It fuels the fire that is all complex life but that fire must be carefully controlled Oxygen loose in the body (and the free radicals it forms) *corrodes and burns everything it touches*

      1 reply 3 retweets 21 likes
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      Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

      Hence the nutrients they tell you to eat that counteract this effect, "antioxidants", to slow the inevitable degeneration of aging

      8:51 PM - 11 Jan 2020
      • 1 Retweet
      • 19 Likes
      • Cyn sharon nikko 🧦 #BLM ↙↙↙ is0be1 🍎🖥🔥🐣 Dr. Amajimbo 🇰🇪 Zardogs J. C. Cantwell Kai Keykeeper
      1 reply 1 retweet 19 likes
        1. New conversation
        2. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          Insects and worms and things have clear blood because they're small enough and use little enough oxygen they can survive having it dissolved directly in their blood Really big bugs, like crustaceans and tarantulas etc, use a chemical dissolved in the blood to bind O2, hemocyanin

          3 replies 2 retweets 18 likes
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        3. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          But vertebrates like us use so much of the stuff we need a purpose-built containment system, the red blood cell, to contain the protein, hemoglobin, that contains all the O2 we use

          1 reply 1 retweet 19 likes
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        4. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          The production of red blood cells in the marrow (as seen on the show) is an enormously expensive process but it's necessary We need that much O2 to burn through the energy we do (a dog or cat's muscles burn much hotter than a spider, which is why we don't have cat-size spiders)

          2 replies 1 retweet 18 likes
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        5. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          And if that O2 weren't kept carefully contained it would destroy us The Red Blood Cells in the show should be thought of as the equivalent of hazmat workers each transporting a cargo of deadly explosive Each erythrocyte is the equivalent of a ticking bomb

          1 reply 2 retweets 26 likes
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        6. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          Which would totally add to the stress the protagonist RBC experiences on the show And it means that they actually *aren't* "defenseless" against bacteria - a bacterium that tries to eat a RBC is in fact often horribly killed by the free radicals released by hemoglobin

          1 reply 2 retweets 21 likes
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        7. Arthur Chu‏Verified account @arthur_affect 11 Jan 2020

          Having one of the germs try to eat Red Blood Cell only to accidentally puncture her container of O2 and have the germ go up in flames and horribly burn to death would be a pretty cool image for the show

          1 reply 1 retweet 25 likes
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        8. End of conversation

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