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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 simplest molecules |
Villi | Structures in small intestine where nutrients are absorbed |
Diffusion | The movement of molecules from and area of a greater concentration to lesser concentration |
Osmosis | The movement of water from from an area of greater concentration to a 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 | Enzymes that is used to chemically breakdown protien |
Stomach | Digestive organ with acidic environment where food is chemically and mechanically broken down |