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LSN2 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. |
Enzmes | Substances used to chemically breakdown food into smaller substances |
Small Intestine | Organ in the digestive system where food is broken down into 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 |
Osmosis | 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 |
Cystoplasm | 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 | A digestive organ with an acidic environment where food is chemically and mechanically broken down |