The diagram below shows some of the events that take place during the regulation of blood glucose. Â
Identify organ X.
Insulin is released when organ X detects a rise in blood glucose levels.
Describe the effects of insulin that restore blood glucose to normal levels.
When blood glucose levels fall after exercise organ X releases another hormone, hormone Y.Â
Name hormone Y.
[1]
State one mechanism by which hormone Y causes blood glucose levels to return to normal.Â
[1]
The table below shows some doctor’s notes for a patient with diabetes.
 Patient age: |  9 |
 Patient symptoms: |
 More thirsty than usual  Increased urine production  Weight loss  Fatigue |
 White blood cell activity: |  High |
 Suggested treatment: |
 Monitoring blood glucose levels  Insulin injections |
Identify, with a reason, whether the patient is likely to have type I or type II diabetes.
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