11 During cellular respiration, cells break down
sugars to release energy. In this process, water
and carbon dioxide are produced as waste
products. What must happen to these waste
products in order for a cell to maintain
homeostasis?
A. They must be digested and used as food.
B. They must be permanently stored inside the cell.
C. They must be used for photosynthesis.
D. They must be excreted from the cell.