1. Genetics and Inheritance | DNA structure, Punnett squares for predicting genetic traits, sex determination, dominant and recessive alleles. 2. Diabetes and Blood Glucose Regulation | Comparison of glucose levels in diabetic and non-diabetic individuals, role of insulin, osmosis effects on red blood cells. 3. Respiration and Energy Production | Differences between aerobic and anaerobic respiration, effects of exercise on breathing rate, ATP production. 4. Photosynthesis and Light Intensity | Experimental investigation on light intensity′s effect on photosynthesis, inverse square law application, limiting factors such as temperature. 5. Gas Exchange and Circulatory System | Oxygen and carbon dioxide movement in alveoli, diffusion principles, structure and function of red blood cells in capillaries. 6. Hormonal Regulation and Reproductive System | Menstrual cycle hormone fluctuations, role of LH and FSH in ovulation, hormone levels in pregnancy.