Q 1. What are the various anatomical components of the digestive system? 2. What are the four processes of cellular absorption? 3. Digestion breaks the macronutrients into their constituent parts so that they can be absorbed. What are the constituent parts of each macronutrient? 4. What is the difference between a micelle and a chylomicron? 5. What is energy? What are the various forms of energy? Which form is most important to human physiology? 6. What are the three energy systems? What are their characteristics with regard to rate of production and capacity to make energy? 7. What organelle is called the “aerobic powerhouse” of the cell? Explain why. 8. What metabolic pathways are required to aerobically metabolize fats? Can fats be metabolized anaerobically?
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