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During NREM sleep, body temperature and energy use drop.
Tapeworms
Parasitic flatworms that live in the digestive tracts of vertebrates, absorbing nutrients from the host's intestine.
Proglottids
Segments that make up the body of a tapeworm, each capable of producing eggs and contributing to the reproductive cycle.
Scolex
The head region of a tapeworm, containing suckers or hooks for attaching to the host's intestinal wall.
Nematocyst
A specialized cell in the tentacles of a jellyfish or other cnidarians, containing a barbed or venomous coiled thread that can be projected in self-defense or to capture prey.
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