Changes

: '''Stem cells''' can be used to treat patients with damage to [[tissue]] which the body cannot normally repair. When added to the [[tissue]] '''stem cells''' can become the same type of [[Specialised Cell|specialised cell]]s found in the [[tissue]].

: In [[animal]]s '''stem cells''' are divided into two groups; '''juvenile stem cells''' which are found in [[embryo]]s before the [[Cell (Biology)|cells]] have begun to [[Specialised Cell|specialise]] and '''adult stem cells''' which are found in adults and can only [[Specialised Cell|specialise]] into certain [[Cell (Biology)|cells]] such as [[Blood Cell|blood cells]].