EBK BIOLOGY
6th Edition
ISBN: 9780134819150
Author: Maier
Publisher: VST
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Chapter 19, Problem 8LTB
Summary Introduction
Introduction:
The human
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Which part of the stomach of ruminants is functionally most similar to the simple stomach of carnivores?
Reticulum
Sychug
Rumen
Omasum
The process by which the products of digestion pass from the lumen of the gastrointestinal tract into the blood or lymph is:
absorption
defecation
digestion
peristalsis
Which of the following is characteristic of the large intestine? It:
is longer than the small intestine
has rugae
contains microvilii
exhibits external muscular bands called taenia coli
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- Digestion is completed and products are absorbed in the _________. a. mouth b. stomach c. small intestine d. large intestinearrow_forwardFigure 34.12 Which of the following statements about the small intestine is false? Absorptive cells that line the small intestine have microvilli, small projections that increase surface area and aid in the absorption of food. The inside of the small intestine has many folds, called villi. Microvilli are lined with blood vessels as well as lymphatic vessels. The inside of the small intestine is called the lumen.arrow_forwardFigure 34.11 Which of the following statements about the digestive system is false? Chyme is a mixture of food and digestive juices that is produced in the stomach. Food enters the large intestine before the small intestine. In the small intestine, chyme mixes with bile, which emulsifies fats. The stomach is separated from the small intestine by the pylloric sphincter.arrow_forward
- Figure 34.19 Which of the following statements about digestive processes is true? Amylase, maltaseT and lactase in the mouth digest carbohydrates. Trypsin and lipase in the stomach digest protein. Bile emulsifies lipids in the small intestine. No food is absorbed until the small intestine.arrow_forwardUsing the black lines shown in Figure 11.27, name the types of nutrient molecules present at each site that are small enough to be absorbed across the small intestines lining. Figure 11.27 Fill in the blanks for substances that cross the lining of the small intestine.arrow_forwardThe bile from the liver is delivered to the _______. a. stomach b. liver c. small intestine d. colonarrow_forward
- List the organs and accessory organs of the digestive system. On a separate piece of paper, list the main functions of each organ.arrow_forwardThe lack of adequate saliva due to the absence of or diminished secretions by the salivary glands is known as zerostomia. _____________________arrow_forwardDifferent regions of the digestive system specialize in ________ and _________ food and in __________ unabsorbed food residues.arrow_forward
- Visit this site (http://openstaxcollege.org/l/fooddigestion2) for an overview of digestion of food in different regions of the digestive tract. Note the route of non-fat nutrients from the small intestine to their release as nutrients to the body.arrow_forwardWhere does the majority of fat digestion take place? a. mouth b. stomach c. small intestine d. large intestinearrow_forwardWhy does the small intestine have villi and the large intestine does not?arrow_forward
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