Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 39, Problem 4RQ
The respiratory system.
- provides body tissues with oxygen
- provides body tissues with oxygen and carbon dioxide
- establishes how many breaths are taken per minute
- provides the body with carbon dioxide
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Part A: Below is the step-by-step path of air through the respiratory system, but the steps are not in correct sequence. Put them in order, numbering them from 1 to 8.
______ Air enters the alveoli.
______ Carbon dioxide passes out of the bloodstream, and is eventually exhaled.
______ Cilia and mucus trap tiny particles found in the air, and warm and moisten the air.
______ Air moves through smaller and smaller passageways called bronchi.
______ The trachea, or windpipe, then carries the air to the lungs.
______ Air enters the nose.
______ Oxygen passes into the bloodstream.
______ Air moves down the throat, or pharynx.
B. Identify the type of respiration in the following animals.
Organism
Cockroaches
Bacteria
Flatworms
Pulmonate land snail
Bony fish
Types of Respiration
Trace the pathway of respiration from the tissue cells after biological processes and back to it.
Unloading of Oxygen to Cells
Formation of carbonic acid
Inhalation
Expiration…
Chapter 39 Solutions
Biology 2e
Ch. 39 - Figure 39.7 Which of the following statements...Ch. 39 - Figure 39.13 Which of the following statements is...Ch. 39 - Figure 39.20 The kidneys are responsible for...Ch. 39 - The respiratory system. provides body tissues with...Ch. 39 - Air is warmed and humidified in the nasal...Ch. 39 - Which is the order of airflow during inhalation?...Ch. 39 - The inspiratory reserve volume measures the...Ch. 39 - Of the following, which does not explain why the...Ch. 39 - The total lung capacity is calculated using which...Ch. 39 - How would paralysis of the diaphragm alter...
Ch. 39 - Restrictive airway diseases. increase the...Ch. 39 - Alveolar ventilation remains constant when...Ch. 39 - Which of the following will NOT facilitate the...Ch. 39 - The majority of carbon dioxide in the blood is...Ch. 39 - The majority of oxygen in the blood is transported...Ch. 39 - Describe the function of these terms and describe...Ch. 39 - How does the structure of alveoli maximize gas...Ch. 39 - What does FEV1/FVC measure? What factors may...Ch. 39 - What is the reason for having residual volume in...Ch. 39 - How can a decrease in the percent of oxygen in the...Ch. 39 - If a patient has increased resistance in his or...Ch. 39 - How would increased airway resistance affect...Ch. 39 - Explain how a puncture to the thoracic cavity...Ch. 39 - When someone is standing, gravity stretches the...Ch. 39 - What would happen if no carbonic anhydrase were...Ch. 39 - How does the administration of 100 percent oxygen...
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- Breathing _______. a. ventilates the lungs b. draws air into airways c. expels air from airways d. causes reversals in pressure gradients e. all of the abovearrow_forwardDue to its partial pressure gradient, carbon dioxide diffuses from cells into tissue fluid and into the ________; in the lungs, carbon dioxide diffuses into the ________. a. alveoli; bronchioles b. bloodstream; bronchioles c. alveoli; bloodstream d. bloodstream; alveoliarrow_forwardThe respiratory components of the medulla consist of which of the following? Dorsal respiratory group Apneustic center Ventral respiratory group Pneumotaxic center 1 only 2 only 1 and 3 only 2 and 4 onlyarrow_forward
- The respiratory system_______. a. provides body tissues with oxygen b. provides body tissues with oxygen and carbon dioxide c. establishes how many breaths are taken per minute d. provides the body with carbon dioxidearrow_forwardOf the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air? Air in the lung is humidified; therefore, water vapor pressure alters the pressure Carbon dioxide mixes with oxygen Oxygen is moved into the blood and is headed to the tissues Lungs exert a pressure on the air to reduce the oxygen pressure.arrow_forwardRespiratory System Air is drawn into the lungs Air pressure in the chest cavity decreases Lungs expand The diaphragm contracts and flattens Circulatory System Blood is pumped by the right atrium pool passes through the pulmonary artery Blood enters the heart through the vena cava Blood passes through pulmonary veins Blood enters the right ventricle 12arrow_forward
- During inhalation: The diaphragm contracts and the external intercostals contract making the volume of the thoracic cavity larger. The diaphragm and the external intercostals relax making the volume of the thoracic cavity larger The diaphragm relaxes and the external intercostals contract making the volume of the thoracic cavity smaller The diaphragm relaxes and the internal intercostals contract making the volume of the thoracic cavity smallerarrow_forwardRegulation of breathing rate Label the figure below to indicate how breathing rate is regulated. Not all labels will be used. Oxygen in blood is too high Oxygen in blood is too low Breathing rate increases Blood becomes too basic Carbon dioxide in blood is Carbon dioxide in blood is too high Carbon dioxide in blood is too low Thalamus detects change normal Blood becomes more acidic Blood flow to lungs increases Oxygen in blood is normal Medulla detects change Carbon dioxide concentration decreases Resetarrow_forwardExplain how oxygen and carbon dioxide are exchange in both the lungs and tissues of the body. Use oxygen dissociation curvearrow_forward
- ****Respiratory SystemThe respiratory system functions in the exchange of gases between the external and internal environments. Major parts of the system include the nasal cavity, larynx, trachea, bronchi, and pulmonary alveoli. Some regions of the respiratory system are specialized for the conduction of gases and other areas function primarily in the exchange of gases. Filtration mechanisms exist in both regions. The function of each part of the respiratory system is reflected in the structure of its wall: the type of epithelium and its apical modifications, intraepithelial and subepithelial glands, cartilaginous rings and plates, smooth muscle and elastic tissue, and the relationship of capillary endothelium to alveolar epithelium. Study the Respiratory system in Slide Box and Respiratory system under EM, briefly answer the question. QUESTION: What is the importance of elastin in the respiratory system?arrow_forwardThe lungs perform other :physiologic functions Play secondary role in heat exchange and fluid balance of the body by warming the air we breathe in (inspire). All O Keeping the PH (acidity) of the blood constant. Exchange of O2 and CO2.arrow_forwardMatch the description below with the proper function. Forced breathing [ Choose ] [Choose ] requires only diaphragm and intercostal muscles how gas exchange occurs Space on right lung to provide room for the heart space on left lung to provide room for the heart requires multiple muscle contractions controls breathing by contraction and relaxation Diaphragm Cardiac notch Diffusion [ Choose ]arrow_forward
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