What will happen if you lose all of your Tcells?​

This is why Killer T-cells are also called Cytotoxic T-cells. The pieces of destroyed cells and viruses are then cleaned up by macrophages. The other type of T-cell is the Helper T-cell. When a T-cell finds its virus match in your body, it makes many copies of itself to attack that virus.

the ileocecal valve (also called bauhin valve), which limits the rate of food passage into the cecum and may prevent material from returning to the small intestine.