It certainly would be interesting to have the ability to regenerate like Dugesia japonica! This type of regenerative ability is actually quite common in the animal kingdom, and many species have the ability to regenerate lost limbs or other body parts. In humans, our ability to regenerate is much more limited, but there are some areas of the body where we do have some regenerative abilities, such as the liver and the skin.
The study of biology and zoology is a fascinating field that can provide a wealth of knowledge about the natural world and the diverse range of organisms that inhabit it. Biologists and zoologists study the structure, function, growth, evolution, and distribution of living things, and their research helps to improve our understanding of the natural world and inform efforts to conserve and protect biodiversity. If you are interested in pursuing a career in biology or zoology, I recommend researching the different educational and career paths available and considering what areas of study or research most interest you.
Source for more in-depth knowledge: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7350771/