Consider the shapes of the cells in the top half of the tissue shown in the picture. Which geometric solid is the best model for a cell in the bottom two layers of cells?

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

regulate growth

produce insulin

control bladder

regulate bone calcium

control metabolism

produce adrenaline