Santa's Little Helper Academy. However, his new crime-fighting job makes him jaded and one day at home he bites Bart. The Simpsons must therefore send the dog away to live with officer Lou. However, he gets to return after saving Bart from a toxic smoke cloud at school and then leaving the police force. In "How Munched is That Birdie in the Window?" (season 22, 2010), after Santa's Little Helper devours a pigeon with a broken leg that Bart was nursing, Bart gets mad at the dog and is unable to forgive him. The Simpsons therefore give him away to an ostrich farm.
T helper 3 cell T helper 3 cell T helper 3 cells (T3) are white blood cells of the lymphocyte type. They are involved in regulating the body's immune response. The function of T helper cells generally is to mediate the immune response by secreting cytokines and interacting with B-cells to enhance or inhibit their activity. This is of particular importance in the gut as this is where the highest load of foreign material, food, is present. T3 cells are involved in mucosal immunity and protecting mucosal surfaces in the gut from non-pathogenic non-self antigens. They mediate this non-inflammatory environment by secreting TGF-β and