What is the function of an effector in a control system?
It detects a change in the internal environment of the body
It compares the information received with a set optimum level
It brings about a response that helps to restore the optimum
It carries electrical impulses from the brain towards a muscle
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.