1. A oser look - Physiology of human digestion and absorption The food consumed when we eat must be digested, or broken

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1. A oser look - Physiology of human digestion and absorption The food consumed when we eat must be digested, or broken down, before the body is able to use the nutrients. The digestive system consists of the organs of the gastrointestinal tract and associated organs. The diagram shows the most important organs of the digestive system. Select the correct organ names from the drop-down list for the indicated labels (A-L) below the image. Organs of the Human Digestive System F G B H c | D E K

Functions in the Digestive Tract Match the digestive organ with the associated function or role given below. (Note: Each organ can only be used once.) Digestive function or role Organ Absorbs water and minerals Stores and concentrates bile Liver Approximately 10-feet in length Manufactures bile Large Intestine Mixes swallowed food with acid and enzymes Gallbladder Small Intestine Actions of Digestive Secretions Stomach The breakdown of food into nutrients requires secr compounds that break down one or more of the macronutrients. ent organs or glands. Many of these secretions contain enzymes or other Five secretions involved in the digestive process are listed below. Choose the macronutrient(s) that each secretion either breaks down or facilitates the breakdown of. Note that some secretions may support the breakdown of more than one macronutrient. Secretion Lipids Proteins Carbohydrates Saliva O O O Bile O O Intestinal juice O O Gastric juice O O Pancreatic juice Water Absorption During Digestion While both the small and large intestines absorb water, they do not share the job equally. Consider the following typical measurements: Volume entering the small intestine: 10,200 mL Volume entering the large intestine: 800 mL Volume leaving the large intestine: 200 ml

What percentage of the water entering the small intestine is absorbed by the small intestine? O 96 O 92 O 94 O 98 What percentage of the water entering the small intestine is absorbed by the large intestine? O2 6 04 08 What percentage of the water entering the small intestine is not absorbed during the digestive process? O 6 O 2 08 04 A typical volume leaving the large intestine might be 180 ml. If the volume exiting the large intestine were 396 mL, then it would most likely indicate a case of