1. Cell Biology - Cell structure and functions, movement of substances across membranes, biological molecules. 2. Human Physiology - Nutrition and energy, respiration and gas exchange, internal transport systems. 3. Neurobiology and Homeostasis - Bones, muscles, joints, sensory receptors, coordination, homeostasis, and excretion. 4. Genetics and Reproduction - Reproductive systems, heredity principles, genetic inheritance. 5. Microbiology - Characteristics and roles of microorganisms, applications in health and disease.