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 11TYU
Test Your Understanding
11. VISUALIZE Draw and label a diagram illustrating the sequence of structures through which inhaled air travels to reach the alveoli.
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Learning Task 1: Study the diagram of the human respiratory system. Copy the diagram and label the parts correctly. Choose form the words listed below.
describe the journey of a corbon-dioxide molecule from a alveolus to the outside world. Describe the seven structures it passed along its way out of the body. Start your explanation with carbon dioxide diffusing out of the blood into the alveoli.
In your own words , Explain the structure of the nasal cavity, trachea and alveoli. Linking their structure to their functions
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 12. EVOLUTION LINK What are the advantages of having millions of alveoli rather than a pair of simple, balloonlike lungs?arrow_forwardIn a _______, air flows continually across the respiratory surface. a. fish b. bird c. frog d. mammalarrow_forwardDuring inhalation _______. a. the thoracic cavity expands b. the diaphragm relaxes c. atmospheric pressure declines d. the glottis is closedarrow_forward
- Alveolar ventilation remains constant when ___________ . the respiratory rate is increased while the volume of air per breath is decreased the respiratory rate and the volume of air per breath are increased the respiratory rate is decreased while increasing the volume per breath both a and carrow_forwardThe partial pressure of carbon dioxide is 45 mm Hg in the blood and 40 mm Hg in the alveoli. What happens to the carbon dioxide? It diffuses into the blood. It diffuses into the alveoli. The gradient is too small for carbon dioxide to diffuse. It decomposes into carbon and oxygen.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 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_forward8. Explain the four stages of external respiration and identify the gradients (driving force) and resistance of each stage.arrow_forward1. Which will have a higher concentration of surfactant, a large alveolus or a small one? Explain why. 2. What is the function of surfactant? 3. Explain why puncturing the pleural membrane (pneumothorax) causes the lung to collapse. 4. Explain why the intrapleural pressure is always subatmospheric.arrow_forward
- Trace the partial pressure of oxygen from inspired air to expired air and explain each change in Po2 along the way. Do the samefor Pco2arrow_forward14. Trace the route of inspired air in humans from the nostrils to the smallest chamber of the lungs. What is the "dead air space" of a mammalian lung and how does it affect the partial pressure of oxygen reaching the alveoli? How is this problem partially solved by bird respiratory system? 16. How does a frog ventilate its lungs? Contrast an amphibian's positive-pressure breathing with a mammal's negative-pressure breathing.arrow_forwardDraw your own original diagram to show how the alveoli and the capillaries work together to exchange gases between the respiratory and circulatory systems.arrow_forward
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license