php Editor Shinichi Jellyfish is a mysterious marine creature whose unique appearance and living habits have always attracted people's attention. People often wonder whether jellyfish have emotions and consciousness. Scientific research shows that although jellyfish do not have a central nervous system, their neural network can sense environmental changes and make adaptive responses, showing a certain degree of survival wisdom. Therefore, although jellyfish do not have emotions and consciousness like humans, they are also able to perceive and respond to the outside world in unique ways.
Question: Do jellyfish have a heart?
Answer: Not
Jellyfish have no heart. This animal has a strange body structure. It has no brain, lungs, and heart, as well as muscles and bones. Most of its body is water, basically 95% water, but it's not tap water, so it's very soft. Most jellyfish are clear or translucent and appear to be stretchy like jelly.
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