Question

In hydra lining of gastrovascular cavity does not contain

Answer 1

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Answer 2

Answer:

The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms). ... This cavity has only one opening to the outside which, in most cnidarians, is surrounded by tentacles for capturing prey.