BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 46, Problem 3IQ
Summary Introduction
To determine: The mechanism by which the
Introduction: Several types of enzymes and hormones regulate the activity of the digestive system. The movement or motility of the digestive system is under involuntary control. The movement of the gastrointestinal tract is a complex process that involves the coordination between the smooth muscle cells, neurons, and interstitial cells. Gastric motility is a result of the action of neural and hormonal signals.
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Work 1. The structure of the digestive tract and its walls.
Indicate in the scheme:
1.
Oral cavity
2.
Esophagus
3.
Stomach
4.
Duodenum
5.
Pancreas
6.
Liver
7.
Gallbladder
8.
Small intestine
9.
Large intestine
Img. 15. Intestinal wall
Mark in the scheme:
10.
Rectum
a. Mucosa
b. Submucosa
c. Choroid and nerve plexus of
submucosa
d. Glands
e. Muscle shell
f. Mesentery with nerves and
Img. 14. Overall plan of the
1
digestive organs structure
vessels
ORAL CAVITY AND PHARYNX
1. a) The opening for food into the oral cavity is the
b) The superior boundary of the oral cavity is the
2. Both the teeth and the tongue contribute to
digestion in the oral cavity by what we call
3. a) An individual develops two sets of teeth. The first set is called the
teeth and, if
complete, consists of
(number) teeth.
b) The second set is called the
(number) teeth.
teeth and, if complete, consists of
Digestive and endocrine systems
Name.
The Body's Chemical Factory
Directions: Use words from the text to fill in the blanks.
1. Name five nutrients that the liver stores.
internal
2. Weighing about 4 1/2 pounds, the liver is the
organ.
3. wich word in the text means “a series of changes by which something
develops"? .
4. The liver detoxifies the
5. The liver filters out old blood
6. The liver processes most of the nutrients that are absorbed from
the
7. The liver is the digestive system's most.
organ.
food.
8. Without enzymes, your body couldn't
Research: One of the liver's jobs is to deal with poisonous chemicals in the blood
such as drugs and alcohol. Find out what happens to the liver after constant
alcohol or drug abuse. Draw a cartoon or make a poster that tells why alcohol is
bad for your liver.
Bonus: The liver acts as a filter for the body. To simulate what the liver does for
our bodies, use a strainer or a few coffee filters to do this experiment. Pour differ-
ent substances…
Chapter 46 Solutions
BIOLOGY
Ch. 46.1 - Prob. 1LOCh. 46.1 - Prob. 2LOCh. 46.1 - Prob. 3LOCh. 46.2 - Prob. 1LOCh. 46.2 - Prob. 2LOCh. 46.3 - Prob. 1LOCh. 46.3 - Prob. 2LOCh. 46.4 - Prob. 1LOCh. 46.4 - Explain how absorbed nutrients move into the blood...Ch. 46.5 - Prob. 1LO
Ch. 46.5 - Prob. 2LOCh. 46.5 - Prob. 3LOCh. 46.6 - Prob. 1LOCh. 46.6 - Prob. 2LOCh. 46.7 - Prob. 1LOCh. 46.7 - Prob. 2LOCh. 46.7 - Prob. 3LOCh. 46.8 - Prob. 1LOCh. 46.8 - Describe how rumination works.Ch. 46.8 - Prob. 3LOCh. 46 - Prob. 1DACh. 46 - If you constructed a phylogeny using molecular...Ch. 46 - Prob. 1IQCh. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - How is the digestion of fats different from that...Ch. 46 - Although the stomach is normally thought of as the...Ch. 46 - After being absorbed through the intestinal...Ch. 46 - Which of these pairings is incorrect? a. Fat...Ch. 46 - Intestinal microorganisms aid digestion and...Ch. 46 - Prob. 6UCh. 46 - Which of the following represents the action of...Ch. 46 - Prob. 1ACh. 46 - The primary function of the large intestine is to...Ch. 46 - Inactive forms of some molecules are secreted a....Ch. 46 - Prob. 4ACh. 46 - Many birds possess crops, although few mammals do....Ch. 46 - Suppose that you wanted to develop a new treatment...Ch. 46 - How could a drop in plasma proteins and a decrease...Ch. 46 - Unlike many cases of convergence (see section...Ch. 46 - Prob. 5S
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- Which organ in the digestive system is the main absorptive site where digested end particles are uptaken into the blood stream? A Pancreas B Stomach Large intestine (D) Small intestine Questions Filter (12) ACEC S20 Week 7(1).pdf receipt-6995.20227....txt. Molview (model) (....png ^ MolView (structur....png 61arrow_forwardnere digestive čéllš an rough body fluid. IV. Match the reasons with the situations indicated below: A) The epiglottis failed to close the trachea B) Peristaltic movement in the esophagus become slow C) Fats, proteins and cellulose are the hardest to digest D) Lower esophageal sphincter did not contract E) Undigested food stays too long in the large intestine 16. Always constipated. 17. Most likely happened when a person chocked while eating. 18. Cause of heart burn or pain in the chest but not related to the heart. 19. Happens when you swallow and you feel the bolus is stuck in the chest. 20. Reason why the food expelled when you vomit an hour after eating is just meat or vegetables, no rice or bread.arrow_forwardHow does gastrointestinal tract evade dehydration? 1) Alternating wave-like contraction and relaxatio of the oral (mouth) muscles reabsorbs water which will be transported to the urinary system 2) water is an important digestive enzyme in the stomach. 3) Normal peristaltic movements in the large intestine ensure reabsorption of water that will be delivered to the circulatory system. 4) the water we drink will be mostly absord by the blood vessels attached to the esophagus and stomach. Skip questionarrow_forward
- Can you help me with these questions? (A)Rank the test tubes in order of greatest amount of digestion to least amount of digestion. For each tube, explain why it would have exhibited that level of digestion. (B)How could the experiment be modified to further test human digestion actions? What variables would you change? What would you keep the same? (C)In which test tube was the activity most like that of a real human stomach? Explain. Here is the picture.arrow_forwardExplain the roles of the following organs in food processing in the human digestive system.• Oral Cavity, Pharynx, Esophagus, Stomach, Small Intestine, Large Intestine, Rectum and Anus.arrow_forwardGive a schematic diagram of how we can nonpharmacologically manage the Gastric Ulcers ? Please answer at your own wordsarrow_forward
- relate the results of assays in terms of the following in cockroaches: (a) functions of the different sections of the digestive tract, (b) the presence of various digestive enzymes in each sections or regions, and (c) the processes that occur in each region.arrow_forward328 Review Sheet 25 Accessory Digestive Organs 6. Use the key terms to identify each tooth area described below. (Some terms may be used more than once.) Key: 1. visible portion of the tooth 2. material covering the tooth root 3. hardest substance in the body 4. attaches the tooth to the tooth socket 5. portion of the tooth embedded in bone 6. forms the major portion of tooth structure; similar to bone 7. gum that surrounds the tooth 8. site of blood vessels, nerves, and lymphatics 9. portion of the tooth covered with enamel 7. In humans, the number of deciduous teeth is 8. The dental formula for permanent teeth is Explain what this means: 9. Which teeth are the "wisdom teeth"? 2, 1, 2, 3 2, 1, 2, 3 11. What is the role of the gallbladder?. cement crown dentin enamel ative function gingiva periodontal ligament pulp root the number of permanent teeth is amoo 10. Various types of glands form a part of the alimentary tube wall or release their secretions into it by means of ducts. Match…arrow_forward3. For breakfast, a student has a muffin with jam and milk. What carbohydrate digestion products can be absorbed into the blood? For answer: a) name the polysaccharides and disaccharides that are contained in the student's food, represent a scheme for their digestion, specify the enzymes; b) describe the transport of digestion products from the intestinal cavity into the enterocytes at low and high concentrations in the intestinal cavity; c) indicate the digestion product with an increased concentration in blood, name its normal concentration, and its value an hour after the meal.arrow_forward
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