| A | B |
|---|
| Ingestion | taking in food |
| Digestion | changing food into simplier substances |
| Egestion | the removal of solid wastes |
| Respiration | taking in oxygen and cobining it with food in the cells to produce energy |
| Circulation | the absorption & delivery of materials within an organism |
| Excretion | the removal of liquid wastes |
| Assimilation | producing more cell parts for growth & repair |
| Absorption | taking in materials through the walls of blood vessels or cells |
| Soluble | substances that can be broken down or dissolved |
| Insoluble | substances that cannot be broken down or dissolved |
