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 14TYU
Test Your Understanding
14. PREDICT What problems would be faced by a terrestrial animal having gills instead of lungs?
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Describe structural and functional differences between gills and lungs (ie. know the anatomy of lungs and gills). Why are birds’ lungs more efficient at removing O2 from the air compared with mammalian lungs?
Compare the efficiency of fish gills with mammalian lungs.
2: Compare the number and type of chambers found in fish, toad and human hearts – how do they differ? Answer in full comparative sentences
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 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_forwardTest Your Understanding 12. EVOLUTION LINK What are the advantages of having millions of alveoli rather than a pair of simple, balloonlike lungs?arrow_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_forward
- 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 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 VISUALIZE Label the diagram.arrow_forward
- Distinguish between positive pressure breathing and negative pressure breathing in animals with lungs.arrow_forwardSponges and cnidarians have no lungs or gills. How do they exchange gases with the environment? Are humans better off having lungs? If so, how?arrow_forwardDescribe 3 physiological adaptations that enhance depth and duration of diving in animals such as seals.arrow_forward
- Test Your Understanding 11. VISUALIZE Draw and label a diagram illustrating the sequence of structures through which inhaled air travels to reach the alveoli.arrow_forwardPerch, Frog and Pig. 1. Why do these organisms require a specialized organ to increase surface area for gas exchange? Discuss organismal volume relative to surface area in your answer. 2. Why are these respiratory structures associated with a large blood supply?arrow_forward3.Explain countercurrent flow. How does it help make the fish gill the most efficient respiratory organ? 4.In what form does most of the carbon dioxide travel in the blood? How and where is this molecule produced?arrow_forward
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