Water vascular system

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Notion

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Science and technology

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What Wikipedia says

The water vascular system or hydrovascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The system is composed of canals connecting numerous tube feet.

Excerpt from the Wikipedia article “Water vascular system”, under the CC BY-SA 4.0 license. Read the article on Wikipedia