Why are groups of small cells better then one large cell at moving material in and out?

Smaller cells make things faster in your body. your body relies on speed in order to survive. cells are being replicated and are dying at a fast rate. so if there were to be one large cell, itd take too much energy, and too much time

Bees shall never produce milk no matter what but this is a joke and the answer is a breast that produces milk.

Ijust took the test on edgenuity and the answer is "life would cease to exist". hope this !