Stem cells are cells that can be anything. Once they change they can not change to any other type of cell. Stem cells are from embryos. Adult stem cells come from the bone marrow, skin, and teeth. Stem cells can help parkinsons disease and with cancer by creating the cells you need to survive. It has helped over thousands of people.
Please thank the moffat county 7th grade basketball team. ''I think stem cells are really cool''
dude 
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