Biology (Edexcel, Combined Science, Higher) Animal Coordination, Control and Homeostasis (Edexcel, Combined Science, Higher) Topic 7 – Animal coordination, control and homeostasis – Part 1 (HT only) (Edexcel) Lesson Progress Topic 7 – Animal coordination, control and homeostasis – Part 1 (HT only) (Edexcel) Previous Lesson Back to Lesson Next Topic Previous Lesson Back to Lesson Next Topic