The table shows the blood glucose concentration of a healthy person after eating a meal. Which statement is best supported by the data?
Table: Blood glucose concentration of a healthy person for three hours after eating a meal
| Time after the meal / minutes | Blood glucose concentration / mg per 100 cm3 |
|---|---|
| 0 | 90 |
| 30 | 140 |
| 60 | 115 |
| 120 | 95 |
| 180 | 90 |
The control system stopped the blood glucose concentration rising
The control system held the blood glucose concentration at 90 units
The control system lowered blood glucose below its starting value
The control system returned blood glucose to its starting value
40 exam-style questions on AQA GCSE Biology 5.1 Homeostasis, covering 5.1 Homeostasis. Each one has a worked solution and a mark scheme showing where the marks go.