Fill in the Blanks Stem cellsOnline version Read and complete by Areli Martinez 1 scientists interested diseases heart human Embryonic because lives researchers cells way body variety Adult two cancer livers help turn skin brain grow They saved interested used They are that can produce other types of cells in the . For example , they can turn into , bone , blood , or cells . Many are very in stem cells they believe that stem cells can be to cure like brain and can recovery after attacks . also think stem cells can be used to organs such as and kidneys . They believe that , in this , many could be . There are types of stem cells : and embryonic . Adult stem cells : Scientist obtain these from a of areas in the body . stem cells : These cells can into almost all of the body´s cell types . That is why are particularly in them .