[填空题]
The graph shows the meap4np q z6d2t.en 4gg:kw (xcj++zwz j8p blood glucose levels in a study of 300 people, 10 minutes after eating a meal and 3 hours after eating a meal. Of the 300 people studied, 100 people were non-diabetic, 100 people had untreated Type 1 diabetes and 100 people had untreated+z8xp4+:kcw zw jggj ( Type 2 diabetes.
1.Compare and contrast the blood glucose levels of people without diabetes and those with diabetes.
2.Suggest one variable, other than those already mentioned in the question, that needs to be controlled to make this study valid.
3.Predict how the mean blood glucose concentration after 3 hours would change if the Type 1 diabetics were injected with insulin 15 minutes after eating.
4.1.Explain the effect of insulin on blood glucose levels.
4.2.State the name of the cells that make and secrete insulin.
5.Calculate the percentage change between the blood glucose concentration of people with Type 2 diabetes 10 minutes after eating a meal and 3 hours after eating a meal.the percentage is %.
6.Explain why Type 2 diabetics have a lower blood glucose concentration 3 hours after eating a meal, compared to Type 1 diabetics.
