The dog ate my homework Helper, the family dog, eating his homework. "I didn't know dogs actually did that", he says, and finds his teacher equally incredulous since he had used that excuse before. In a later episode, when the dog goes to work for the police, Bart must eat his own homework for the excuse to work. When Mrs. Krabappel begins dating Ned Flanders, the Simpsons' neighbor, at the end of the 2011 season, she sees Santa's Little Helper in the Simpsons' yard and asks if he is the dog who has eaten Bart's homework so many times. Bart's attempts to demonstrate this and
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