A response to a stimulus is slow to start, lasts for several minutes and affects more than one organ. Which system produces this response, and why?
The nervous system, because impulses travel along neurones to many organs
The nervous system, because hormones travel in the blood to many organs
The endocrine system, because hormones travel in the blood to many organs
The endocrine system, because impulses travel along neurones to many organs
62 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.