Peduncle of Hydra and the heart of highe
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Hiroshi Shimizu; Toshitaka Fujisawa
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Article
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2003
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John Wiley and Sons
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English
β 204 KB
## Abstract Summary: The heart is assumed to have evolved as the organ for pumping blood. Here we report a pumping phenomenon in __Hydra,__ a member of the phylum Cnidaria. We find that the peduncle, lower quarter of the body column, stores most of the gastrovascular fluid when the animal is an elo