Do cells have the ability to change their job in the body?

Question: Do cells have the ability to change their job in the body?
- Keywords:
  body,
  cell
Asked by romak to Paul, Ildiko, Eoin on 14 Nov 2017.
- Ildiko Somorjai answered on 14 Nov 2017:
  
  In some animals when the tissues are injured stem cells “go back” to a more embryonic state and can then turn into some other kind of cells with a different function. In frogs if parts of the eye are injured then one cell type can turn directly into another as well.

Question: Do cells have the ability to change their job in the body?