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LS2 Word Wall
| Term | Definition |
|---|---|
| Cells | Tiny units that make up all living things. |
| Organism | A living thing. |
| Metabolism | The breaking down of food for energy. |
| System | Parts working together for a specific purpose. |
| Mechanical Digestion | The physical process of breaking down food into smaller molecules. |
| Chemical Digestion | The chemical breakdown of food by enzymes and acids. |
| Enzymes | Substances used to chemically breakdown food into smaller substances. |
| Small Intestine | Organ in digestive system where food is broken down into the the simplest molecules. |
| Villi | Structures in the small intestine where nutrients are absorbed. |
| Diffusion | The movement of molecules from an area of greater concentration to lesser concentration. |
| Osmomis | The movement of water from an area of greater concentration to lesser concentration across a cell membrane. |
| Cell Membrane | A semipermeable membrane surrounding the cytoplasm of the cell. |
| Cytoplasm | The water like material inside a cell. |
| Plasma | Clear portion of blood that carries nutrients and water. |
| Pepsin | Enzyme that is used to chemically breakdown protein. |
| Stomach | Digestive organ with acidic environment where food is chemically and mechanically broken down. |