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Claire.

Only animal known to pump blood with its guts

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Claire.

Meet the only animal known to pump blood with its guts

High school biology classes teach us that the circulatory system pumps blood and the digestive system pumps food. But sea spiders apparently skipped that lesson: They pump blood using their guts.

Read more: ScienceMag.org

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DebDandelion

Interesting read!

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