Controlling blood glucose
Controlling blood glucose
After carbohydrate digestion, glucose is absorbed from the small intestine and blood glucose concentration rises. The pancreas detects changes and uses the hormones insulin and glucagon in negative feedback.
Step-by-step lessons on Edexcel GCSE Biology 7.4 Blood glucose and the urinary system, covering 7.4.1 Insulin and blood glucose control, 7.4.2 Glucagon and blood glucose regulation, 7.4.3 Type 1 and type 2 diabetes, 7.4.4 Structure of the urinary system, 7.4.5 Structure and function of the nephron, 7.4.6 ADH and water regulation, 7.4.7 Treatments for kidney failure, and 7.4.8 Production of urea in the liver. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.