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What gives a red blood cell its donut shape?

Updated: 8/19/2019
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12y ago

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Well, there can either be one answers out of the two answers:

1. They wanted to get eaten by the cops so they disguised them as jelly doughnuts.

---------------------------------------OR------------------------------------------

2. When a red blood cell matures it pushes out its nucleus. Its internal structures go through a shape change, giving the cell a "doughnut" shape but just flat in the middle, without a hole. This shape allows for more surface area to bind oxygen and carbon dioxide during gas exchange. The bi-concave disc shape also makes the cell more flexible so that it can get through the smaller blood vessels.

I would go with 2. ;)

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12y ago
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Q: What gives a red blood cell its donut shape?
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