water vascular system scientification feature of
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The water vascular 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.
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The water vascular system of echinoderms is essentially a system of fluid-filled canals that extend along each of the body regions and have many external projections called tube feet. There are several functions of the system, one of which is to use water pressure to mediate movement and assist in feeding. ... Tube feet
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