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Science Word Wall
Evaluation Review
| 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 | an organ in the 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 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 a cell |
| cytoplasm | the water like material inside a cell |
| plasma | clear portion of blood that carries nutrients and water |
| pepsin | an enzyme that is used to chemically breakdown protein |
| stomach | a digestive organ with an acidic environment where food is chemically and mechanically broken down |
Created by:
23OConnell
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