| A | B |
| Responsiveness | responding to external stimuli |
| Conductivity | transport waves of excitation within body |
| Growth | Increase in number of cells; getting larger |
| Respiration | breathing or exchange in gases |
| Digestion | breaking down complex food products |
| Absorption | when digested food particles are absorbed through walls in digestive tract |
| Secretion | production and delivery of specialized substances |
| Excretion | removal of waste products |
| Circulation | the movement of body fluids throughout the body |
| Reproduction | the formation of a new individual |