Answer:
At the base of the crypts of intestine.
Step-by-step explanation:
The adult stem cells that are responsible for making new cells in the intestine for the purpose of protection are located in the intestine itself.
These stem cells are known as intestinal stem cells and are located in the base of the crypts found in the intestine. These are multi-potent stem cells and continue to provide new cells for the protection and regeneration of the intestinal wall.