Some animals, like salamanders and starfish, have the incredible ability to regenerate lost body parts. This ability is due to the presence of specialized cells called stem cells, which can develop into different types of cells needed for regeneration. For example, if a salamander loses its tail, stem cells in the area will proliferate and differentiate into muscle, bone, and nerve cells to recreate the lost tail. This remarkable process involves complex signaling pathways and genetic instructions, allowing these animals to fully restore their lost appendages.
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