tell me why my science class is tellin me to use the periodic table the only period i want is the one thats fo 1 wk a months and it make my cooch bleed thats it and ion even want that so what make dem think i wanna use a periodic table

There are few cells in the body that do not undergo mitosis: most somatic cells divide regularly, some more than others. take for example the cells that line the digestive tract. these cells must be frequently replaced because they are constantly eroded by the movement of food through the tract. what mechanism(s) is/are in place to ensure that these cells are exact copies of the mother cell