Assertion: jellyfish's system | /r/HasProperty | elementary nervous
Facets:
Source sentences:
text: Instead of a brain or a central nervous system, they have an elementary nervous system, or nerve net, that is scattered throughout their bodies.
text: While jellyfish do not have a brain or a heart, they have an elementary nervous system with receptors that detect light, vibrations, and chemicals in the water.
text: Instead of a brain, jellyfish possess an elementary nervous system, or nerve net, which consists of receptors capable of detecting light, odor and other stimuli and coordinating appropriate responses.
text: Instead of a brain, “true” jellyfish possess an elementary nervous system, or nerve net, which consists of receptors capable of detecting light, odor and other stimuli and coordinating appropriate responses.