Digestive tube

... even the ones on one side or another, began as midline structures. Your digestive system, from which your stomach and liver and associated glands develop, begins as a central tube, then things develop off it and migrate to their final places. The doubled structures ...

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... do believe. 4. To actually capture their food they use their arms with tube feet, when they eat clams they secrete digestive (stuff) in the shell, waits for awhile, then sucks it out. at least this is what ...

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... as a hole. For example, the smooth muscle cells in the wall of the digestive tube form a syncitium (depolarization in one muscle cell will be followed by depolarization ...

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... as a hole. For example, the smooth muscle cells in the wall of the digestive tube form a syncitium (depolarization in one muscle cell will be followed by depolarization ...

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... Most internal organs in higher animals, such as the respiratory, digestive, genito-urinary and vascular systems are lined by a single layer ... in the cell. 3. The basic building block of most epithelial organs are tubes, lined by epithelial cells. How do epithelial cells organize themselves ...

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