AQA Biology Paper 2 AQA Triple Science AQA Biology Paper 2 Lesson Content 0% Complete 0/58 Steps Homeostasis The Nerve System Synapses and Reflexes Investigating Reaction Time The Brain The Eye Correcting Vision Defects Controlling Body Temperature The Endocrine System Controlling Blood Glucose The Kidneys Kidney Failure Puberty and the Menstrual Cycle Controlling Fertility More on Controlling Fertility Adrenaline and Thyroxin Plant Hormones Commercial Use of Plant Hormones DNA The Structure and DNA and Protein Synthesis Previous Lesson Back to Course Next Lesson