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PLTW PBS 2.1 & 2.2
Key terms from Lessons 2.1 and 2.2
Term | Definition |
---|---|
Glucagon | A protein hormone secreted by pancreatic endocrine cells that raises blood glucose levels; an antagonistic hormone to insulin. |
Glucose Tolerance Test | A test of the body’s ability to metabolize glucose that involves the administration of a measured dose of glucose to the fasting stomach and the determination of blood glucose levels in the blood or urine at intervals thereafter. |
Homeostasis | The maintenance of relatively stable internal physiological conditions (as body temperature or the pH of blood) in higher animals under fluctuating environmental conditions. |
Hormone | A product of living cells that circulates in blood and produces a specific, often stimulatory, effect on the activity of cells that are often far from the source of the hormone. |