It’s possible the other 90% was excreted ? Because a lot of the energy may not be useful to the mouse’s system. ... hmmm. That’s all I could think of, sorry I can’t be a better help ;w;
The answer is; D
These cells are called plasmodesmata. They are significant in the symplastic flow (meaning through the cytoplasm) of water and other molecules in the plant. A membrane called desmotubule runs along the pores of adjacent plasmodesmata. These cells are also significant in the communication between cells.