1. Please visualize the following - think about Thanksgiving day.You're relaxed, watching television. Dinner is served - all that turkey, stuffing, potatoes, gravy, pumpkin, and more. You sit down to the table and start to dig in. As you begin to overindulge, the smooth muscle of your stomach starts to contract (intrinsic innervation) which is not part of the CNS. Your extrinsic innervation also starts to kick in - which is a CNS response of the Autonomic Nervous System. As you continue to eat the warm, moist delicious turkey, every time you swallow the smooth muscle of the stomach and duodenum relax to prepare to receive the food.You're now on your 72nd swallow of food and feeling a tad bit full.What kind of innervation do you think is involved in your sensation of "full"?What other factors are contributing to your feeling of satiety?Hint: The sensation of fullness at a meal is produced by afferent fibers in the gut which are sensitive to stretch of the stomach wall. These then travel up to the brain where they tell you "STOP"! Note that in the gut, the afferent may also (or only) travel to a different part of the gut to modify its activity (ie distention in the small intestine causes a reflex relaxation of the stomach so that no more chyme is sent onto the distended small intestine.)2. Let's follow a meal from the time you eat it through the digestive system from start to finish.List, in sequence, each of the components or segments of the alimentary canal from mouth to anus. Make sure to also identify the accessory organs of digestion located within the gastrointestinal tract or that open into it.Next, let's talk about what that meal should consist of.There are various arguments for and against different diet choices. There are vegan diets, vegetarian diets, traditional diets, protein/fat heavy diets, and so many more.Think about what would be the best choice for human body development and sustainable health. Which diets are best for our digestive health?Can we draw a straight line and suggest only one specific choice or should we look into combined diet solutions?Use research to defend your position.

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