| A | B |
|---|
| Absorption | Transport of dissolved substances into cells. |
| Digestion | Enzymatic breakdown of substances. |
| Synthesis | Putting together organic compounds from smaller units. |
| Respiration | Breakdown of food for the release of energy |
| Movement | Movement of structures and substances inside the cell. |
| Irritability | Ability to respond to internal and external stimuli. |
| Excretion | Removing soluble waste materials from cells. |
| Egestion | Eliminating nonsoluble, nondigestible wastes from cells. |
| Secretion | Synthesizing and releasing materials from a cell. |
| Homeostasis | Maintaining a steady state in a cell. |
| Reproduction | Formation of new cells. |
