Analyze the results of the following study on blood glucose regulation. A group of students conducted an experiment where they measured the blood glucose levels of subjects before and after consuming a glucose-rich meal. The data below shows the average blood glucose levels (in mg/dL) at various time points after the meal. Select the appropriate responses from the drop-down menus to complete the analysis. [table] Time (minutes) | 0 | 30 | 60 | 90 | 120 Blood Glucose (mg/dL) | 90 | 140 | 160 | 130 | 100 [/table] a) The highest blood glucose level was observed at Blank 1 Question 17[select: , 30 minutes, 60 minutes, 90 minutes, 120 minutes] . b) The hormone responsible for lowering blood glucose levels after the meal is Blank 2 Question 17[select: , glucagon, adrenaline, insulin, cortisol] . c) This hormone is released by the Blank 3 Question 17[select: , pancreas, adrenal glands, pituitary gland, liver] . d) The decrease in blood glucose levels from 60 minutes to 120 minutes indicates the activation of a Blank 4 Question 17[select: , positive feedback mechanism, negative feedback mechanism, neutral feedback mechanism, feed-forward mechanism] . (I:4)多重下拉选择题