Which set contains only internal conditions stated as controlled in the human body?
Body temperature, sound level and carbon dioxide outside the body
Water level, atmospheric pressure and glucose concentration in food
Blood glucose concentration, body temperature and water level
Blood oxygen concentration, room temperature and light level
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.