Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 46, Problem 8TYU
Summary Introduction
Introduction: The process of gas exchange occurs between an organism and its environment is known as respiration. For
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What is the biophysical reason that myoglobin (as opposed to hemoglobin) could never play the role of the oxygen transport system in the human body?
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It binds oxygen too tightly
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7. All the following increase the rate of diffusion of gases through
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Andrew has lived his whole life in San Diego, CA at sea level. One summer in college he gets a job as a field biologist in the Colorado Rockies (elevation
7500 ft. above sea level). The first week he is in Colorado he experiences altitude sickness from the change in atmosphere. Altitude sickness is
characterized by fatigue and shortness of breath as a result of the thinner air which contains less oxygen.
a. How does Andrew's fatigue and shortness of breath relate to the cellular respiration pathway?
be.
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C. A couple weeks later, Andrew is feeling better but he noticed that his appetite has increased. Explain why this might be.
Chapter 46 Solutions
Biology (MindTap Course List)
Ch. 46.1 - Compare the advantages and disadvantages of air...Ch. 46.1 - What are some advantages of gas exchange in air...Ch. 46.2 - Describe the following adaptations for gas...Ch. 46.2 - Why are specialized respiratory structures...Ch. 46.2 - How does gas exchange differ among the following...Ch. 46.2 - How does the countercurrent exchange system...Ch. 46.3 - Prob. 3LOCh. 46.3 - Prob. 4LOCh. 46.3 - Prob. 5LOCh. 46.3 - Describe the regulation of breathing in humans and...
Ch. 46.3 - What is the sequence of inhaled airflow through...Ch. 46.3 - Prob. 2CCh. 46.3 - Prob. 3CCh. 46.3 - Prob. 4CCh. 46.4 - Prob. 7LOCh. 46.4 - Prob. 1CCh. 46.4 - Prob. 2CCh. 46 - Test Your Understanding 1. Which of the following...Ch. 46 - Prob. 2TYUCh. 46 - Prob. 3TYUCh. 46 - Prob. 4TYUCh. 46 - Test Your Understanding 5. Which sequence most...Ch. 46 - Prob. 6TYUCh. 46 - Test Your Understanding 7. According to Ficks law...Ch. 46 - Prob. 8TYUCh. 46 - Prob. 9TYUCh. 46 - Prob. 10TYUCh. 46 - Test Your Understanding 11. VISUALIZE Draw and...Ch. 46 - Test Your Understanding 12. EVOLUTION LINK What...Ch. 46 - Test Your Understanding 13. INTEREPT DATA Look at...Ch. 46 - Test Your Understanding 14. PREDICT What problems...Ch. 46 - Prob. 15TYUCh. 46 - EVOLUTION LINK Aquatic mammals such as whales and...Ch. 46 - Prob. 17TYU
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- Test Your Understanding 13. INTEREPT DATA Look at Figure 46-10b. How would strenuous muscle activity affect the oxygenhemoglobin dissociation curve? (Hint: How does muscular activity affect pH? See Chapter 40 if you need to review this concept.) Figure 46-10 Oxygen-hemoglobin dissociation curvesarrow_forwardTest Your Understanding 1. Which of the following is a benefit of gas exchange in air compared with gas exchange in water? (a) air has a higher concentration of molecular oxygen (b) oxygen diffuses more slowly in air (c) no energy is required for ventilation (d) moist respiratory surface is not needed (e) air is denser than waterarrow_forwardTest Your Understanding 7. According to Ficks law of diffusion, a gas will diffuse faster if the (a) surface is reduced (b) difference in pressure is decreased (c) difference in pressure is increased (d) pH is lowered (e) a and carrow_forward
- Test Your Understanding 5. Which sequence most accurately describes the flow of air in the human respiratory system? 1. pharynx 2. bronchus 3. trachea 4. larynx 5. alveolus 6. Bronchiole (a) 4, 1, 3, 2, 5, 6 (b) 1,4, 3, 2, 5, 6 (c) 4, 1,3, 2, 6, 5 (d) 1, 4, 3, 2, 6, 5 (e) 1, 3, 4, 2, 6, 5arrow_forwardTest Your Understanding 12. EVOLUTION LINK What are the advantages of having millions of alveoli rather than a pair of simple, balloonlike lungs?arrow_forwardHello, A depressed person attempts to commit suicide by taking a whole bottle of sleeping pills. The pills cause a drastic decrease in the pH. The patient starts having breathing difficulties because the thick and thin filaments within the respiratory muscles are breaking down. Explain in depth the correlation between the person’s pH and why their respiratory muscles are breaking down. Thank you!arrow_forward
- equation. Droduct Property ess Your Learning Direction: Write the capital letter of the correct answer. 1. Which of the following statements about the human respiratory system is NOT TRUE? A. when we breathe in, air travels from the pharynx to the trachea B. the bronchioles branch into bronchi C. Alveolar ducts connect to the alveolar sacs D. gas exchange between the lungs and the blood takes place in the alveolus 2. Which of the following statements about the circulatory system is NOT TRUE? A. blood in the pulmonary vein is deoxygenated B. blood in the inferior vena cava is deoxygenated C. blood in the pulmonary artery is deoxygenated D blood in the gorto in ouganntodarrow_forwardBoth 1. The partial pressure of carbon dioxide in leg muscles increases after vigorous exercise activity. Which of the following regulatory actions will occur to correct the above situation? Select one: a) Arteries in the leg muscle constrict b) Chemoreceptors in the respiratory and cardiovascular centres in the brain are stimulated. c) Sole is respiring d) The rate of heartbeat decreases 2. Which of the followingstatement is FALSE about myoglobin? Select one: a) Oxygen dissociation curve for myoglobin is non-sigmoidal b)It has only one hemocyanin for anaerobic respiration c) It has higher affinity for oxygen even at high partial pressure of carbon dioxide d)It can be found in the skeletal muscle tissuearrow_forwardHello, A depressed person attempts to commit suicide by taking a whole bottle of sleeping pills. The pills cause a drastic decrease in the pH. The patient starts having breathing difficulties because the thick and thin filaments within the respiratory muscles are breaking down. Please explain why their respiratory muscles are breaking down? Thank Youarrow_forward
- All human systems have the concept involving the flow of a molecule through system structures. (a) Using a flowchart (word, with > symbols), illustrate the path of air during exhalation. (b) Describe the muscular action of the diaphragm during exhalation. I forgot explain and tell me whyarrow_forwardThe most efficient vertebrate respiratory system is that of (a) amphibians (b) birds (c) reptiles (d) mammals (e) humansarrow_forward16. Why are some divers, swimmers, singers and wind instrument players able hold their breath for so long? (Hint: exercise and muscles of respiration....)arrow_forward
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