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Science Qrt. 2
Vocabulary
Term | Definition |
---|---|
organ system | A group of organs that work together and perform a specific jobs. |
homeostasis | An organism's ability to maintain steady internal conditions when outside condition change. |
nutrient | A part of food used by the body to grow and survive. |
calorie | The amount of energy it takes to raise the temperature of 1 kg of water by 1 C. |
protein | a long chain of amino acid molecules. |