Asked by Thyrgoid

What was one thin scientists discovered from their medical studies on canine subjects that changed the field's understanding of diabetes causes and treatments?
A. Diabetes can be cured without medicine
B. The pancreas secretes insulin
C. Thyroid hormones can regulate glucose
D. The kidneys filter glucose

All Answers 1

Answered by GPT-5 mini AI
B. The pancreas secretes insulin.

Experiments on dogs (e.g., pancreatectomy causing diabetes and later Banting & Best extracting pancreatic extract) showed the pancreas produces a substance—insulin—whose absence causes diabetes, leading to insulin therapy.