| A | B |
| Effector | A structure in the body that can change the value of a variable |
| Endocytosis | The process by which large molecules are taken into the cell |
| Exocytosis | Transportation of material from inside the cell to outside the cell |
| Gross Anatomy | The study of the macroscopic structures of an organism |
| Histology | The study of tissues |
| Homeostasis | A state of equilibrium in the body with respect to its functions, chemical levels, and tissues |
| Microscopic Anatomy | The study of the microscopic structures of an organism |
| Organ | A group of tissues specialized for a particular function |
| Physiology | The study of the functions of an organism and its parts |
| Selective Permeability | The ability to let certain materials in or out while restricting others |
| Tissues | Groups of cells specialized for a particular function |