The archaea are in a different domain from bacteria due to certain differences in their morphology and habitats, the Archaea are the separate domain of life in prokaryotes. For example; unlike bacteria, archaea cell walls do not contain peptidoglycan, they have different membrane lipid bonding from bacteria and eukarya.
Archaea is considered as the different domain of life in prokaryotes, as they are the most primitive type and known as the ancient microbes found in extreme niches such as hydrothermal vents, higher salt concentration, high temperature, and pressure etc
One is pulmonary one is cellular
The chemical equations for the processes are opposite of each other
The skin and the liver are two organs that would be easy for stem cells to repair. What would be difficult to repair would be the apical meristem and the lateral.