1. Eye and ear anatomy: blind spot formation, optic nerve function, semicircular canals for balance, ear parts labeled (eardrum, cochlea, auditory nerve). 2. Knee joint structure: patella, synovial fluid, cartilage, tendon function, ligament and muscle roles in movement and stability. 3. Blood pressure circulation: pressure differences in heart chambers and blood vessels, capillary exchange function, pressure drop explanation across circulatory system. 4. Diet and nutrition: balanced diet components, protein sources (meat, eggs, fish), dietary ratio calculations from pie chart, role of nutrients in growth. 5. Thermoregulation experiment: sweat production measurement during exercise, control variables (body area, temperature), plotted results, comparison between resting and active states. 6. Genetics and disease: codominance in ABO blood groups, genotype interpretation, haemophilia inheritance as X-linked trait, blood group inheritance patterns.