A control system uses a nervous response rather than a chemical response. Which feature must still be present?
A receptor that contracts to restore the condition to its optimum level
A coordination centre that receives and processes information from receptors
A pancreas that receives information directly from every body cell
A gland that carries electrical impulses from the coordination centre
40 exam-style questions on AQA GCSE Biology 5.1 Homeostasis, covering 5.1 Homeostasis. Each one has a worked solution and a mark scheme showing where the marks go.