Of the following, the one that adds volume and surface area for digestionof food in the intestine is called theO labyrinthO cirric fossagastric caecaMalpighian tubulesnephridiastercoral pocket In spiders, pedipalps are useful for: (mark all that apply)osmoregulationpalping the pedssexual reproductionsvenom secretionfood handlinggas exchange

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In spiders, pedipalps are useful for: (mark all that apply) osmoregulation palping the peds sexual reproductions venom secretion food handling gas exchange

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter16: The Body's System

Section: Chapter Questions

Problem 2ACQ: Figure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a...

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Concept explainers

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.

Question

Of the following, the one that adds volume and surface area for digestion
of food in the intestine is called the
O labyrinth
O cirric fossa
gastric caeca
Malpighian tubules
nephridia
stercoral pocket

In spiders, pedipalps are useful for: (mark all that apply)
osmoregulation
palping the peds
sexual reproductions
venom secretion
food handling
gas exchange

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Figure 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.
Parietal cells secrete ________. gastrin hydrochloric acid pepsin pepsinogen
Figure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.
Watch this animation (http://openstaxcollege.org/l/sintestine) that depicts the structure of the small intestine, and, in particular, the villi. Epithelial cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems. In the small intestine, the products of food digestion are absorbed by different structures in the villi. Which structure absorbs and transports fats?
Define peristalsis, and list the regions of the GI tract where it occurs. Be sure to mention segmentation in your answer.
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.
Figure 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.