The OCR GCSE Biology Paper 2 (June 2023) focuses on human physiology, plant growth, and ecological relationships. Topics include the nervous system, water balance, cardiovascular health, and factors affecting photosynthesis. The paper emphasizes practical applications like controlling blood pressure, investigating phototropism, and measuring transpiration rates. Data analysis, experimental design, and ethical considerations are central, addressing biodiversity, natural selection, and the environmental impacts of human activities. It integrates theoretical knowledge with real-world applications in health, conservation, and agriculture.