Jellyfish in general do not have a spine, skeleton, brain, blood, and heart. They only have a basic nervous system with receptors located in the tentacles that can detect light, vibration, and chemicals in the water. This ability, as a jellyfish navigation in the water. While humans have more complex organs than jellyfish. So humans can’t regenerate their own bodies like Turritopsis dohrnii although researchers have discovered the secret of the jellyfish’s abilities. Nonetheless, Humans can manipulate transdifferentiation mechanisms within the cell sphere. It is very likely that cells that can be transdifferentiated such as the ability Turritopsis dohrnii are cells under stress. Conditions that cause cells to become stressed are starvation, or DNA damage from toxins or exposure to ultraviolet light or radiation (e.g. gamma radiation or X-rays), etc. Cells under stress can trigger cancer.
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