Its skin so it protects the internal organs and systems
The best answer to your question is large headed grasshoppers, prairie dogs, and blue grama
<span> It is a hydraulic </span>system<span> used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The </span>system<span> is composed of canals connecting numerous tube feet.</span>
The answer is liver. It is located near the stomach and duodenum which makes it faster for the digested food to be transported there.
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