Gastrovascular cavity

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Notion

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Science and technology

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What Wikipedia says

The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Coelenterates or cnidarians (including jellyfish and corals) and Platyhelminthes (flatworms). The cavity may be extensively branched into a system of canals.

Excerpt from the Wikipedia article “Gastrovascular cavity”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Mariana Ruiz Villarreal and LadyofHats, Public domain, via Wikimedia Commons.