Year 13 Biology
Homeostasis
Negative feedback and why a stable internal environment matters, the control of blood glucose by insulin, glucagon and adrenaline, diabetes, and the control of blood water potential by the kidney and ADH.
Homeostasis free practice
No timer and no account needed. Check each answer as you go, then read the explanation.
1. In the same test on a healthy person, the concentration of glucagon falls during the first hour after the glucose drink and then rises as blood glucose returns to the fasting level. What does this show?
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