Assertion: jellyfish's body | /r/HasProperty | its bell
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text: The main body of a jellyfish—its bell—is made of two thin layers of cells with non-living, watery material in between, says jellyfish biologist Lucas Brotz, a postdoctoral research fellow at the University of British Columbia in Vancouver.
text: Jellyfish in the free-swimming, adult stage of their development have round, jelly-like bodies (known as bells) with several trailing tentacles.