A person's blood glucose concentration falls below its normal level. Which response returns it towards normal?
Insulin causes liver glycogen to be converted into glucose released into blood.
Glucagon causes blood glucose to be converted into glycogen stored in muscles.
Glucagon causes liver glycogen to be converted into glucose released into blood.
Insulin causes muscle glycogen to be converted into glucose released into blood.
39 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.