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Where are each of our macronutrients (carbohydrates, proteins and fats) chemically digested?
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- What happens to the products of the digestion of lipids? They are absorbed into a: O a) capillary and transported by the blood to the liver b) capillary and transported by the blood to the heart O c) lacteal and transported by the lymph to the thoracic duct O d) lacteal and transported by the blood to the liver via the hepatic portal systemDuring the _____ phase of digestion, blood glucose levels drop and our body must depend on stored energy. The sympathetic nervous system directs the pancreas to release glucagon, which causes glycogen to be transformed back into glucose. Glucagon also causes stored fat and glycogen to be released into the bloodstream. A) fasting B) exhaustion C) resistenceWhat is the process in which food is broken down into nutrients called?
- Where nonessential and essential nutrients originate from?What class of nutrients provides most of the calories in thediet? What class of nutrients provides the body’s majorreserves of stored energy?What are the products of digestion of proteins, triacylglycerols, maltose, sucrose, lactose, and starch?
- In what sense are nutrients from a recently ingested meal not really “inside” your body prior to the absorption stage of food processing?How does the digestion and absorption of fat differ from that of carbohydrates? (Pick all that apply) A)Absorbed fat first enters the lymphatic system, whereas carbohydrates directly enter the blood. B)Fat absorption occurs in the stomach, whereas carbohydrates are absorbed from the small intestine. C)Only fat must be worked on by bacteria in the large intestine before it can be absorbed. D)Carbohydrates need to be emulsified before they can be digested, whereas fats do not. E)Processing of fat does not require any digestive enzymes, whereas the processing of carbohydrates does.If you fed an experimental animal (a mammal) a special food that consisted of all 20 amino acids, glucose and a wide variety of fatty acids, along with all needed vitamins and minerals, how would its digestive system handle this food? What would be normal and what, if anything, would be abnormal about its food processing? Is it likely to be adequately nourished?