30-04-2021
Biology

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How does oxygen enter the urchins system?

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TheDrHelper TheDrHelper

30-04-2021

Answer:

Enters through the gills and tubed feet.

Explanation:

The oxygen obtained by a Purple Sea Urchin is dissolved in water. Oxygen enters through the gills and tubed feet. When the oxygen level is low in a Purple Sea Urchin, muscles associated with Aristotle's Lantern pump fluid through the body (through the canals).

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