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Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159080
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 65, Problem 1.4A
Compare the number of lobes in the human lungs with the number of lobes in the fetal pig lungs.
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Students have asked these similar questions
(a) In the model lung demonstration, the bell jar is filled with air. What is in the pleural cavity in the t horax? (b) Compare the relative size of the pleural space in the model lung to that in the human lung.
(a) In humans, is there one pleural cavity surrounding both lungs or two separate pleural cavities, one surrounding each lung?
(b) Does this differ from the model lung?
2) Describe the quality of the gas within the
alveoli of the mammalian lung and explain how it
differs from atmospheric air.
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Laboratory Manual For Human Anatomy & Physiology
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- Outline the differences among the three most sophisticated lungsfound in modern animals: the mammalian lung, the avian lung,and the insect tracheal system.arrow_forwardI) Describe the pathway of a drop of blood starting in the right atrium and ending in the left foot. Ii) list two major differences between bird lungs and the mammalian lungsarrow_forwardWhich route does a pocket of air follow through the avian respiratory system during the first inhalation and exhalation? a.) Air enters the lungs in the first inhalation and is pused to the anterior air sacs in the first exhalation. b.) Air enters the lungs in the first inhalation and is pused to the posterior air sacs in the first exhalation. c.) Air enters the anterior airs sacs in the first inhalation and is pushed to the posterior air sacs in the first exhalation. d.) Ait enters the posterior air sacs in the first inhalation and is pushed to the lungs in the first exhalation.arrow_forward
- 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?arrow_forwardDescribe the phases of ventilation in birds.arrow_forwardCompare the avian and mammalian lungs in terms of structure and respiratory functionarrow_forward
- Describe the steps involved in the process of ventilation inmammalian lungs.arrow_forwardDescribe one functional difference and one structural difference between veins and arteries Place the following terms in order tracing the pathway of air from the rat’s nose out through the air sacs (2.5). Not all terms will be used. Word Bank: Aorta, Alveoli, Bronchioles, Nasal passage, Nasopharynx, Trachea, Esophagus, Larynx, Epiglottis Beginning Nasal Passage End Alveoli (Air sacs)arrow_forwardExplain the specific role of the human diaphragm in filling the lungs with air during inspiration and expelling the air during expiration. please help also with examplesarrow_forward
- Construct a diagram that represents the lung development with 5 phases of its structural development that are recognized.arrow_forwardDuring bird ventilation, the lungs and air sacs are all full at the same time as respiration takes place continuously? true or falsearrow_forwardWhen researchers first discovered that airflow through a bird’s paleopulmonal parabronchi is unidirectional, the question arose as to whether gas exchange is countercurrent, cocurrent, or cross- current. Some ingenious investigators carried out experiments in which they measured the efficiency of gas exchange between air and blood in duck lungs when parabronchial airflow was in its normal direction and when the direction of parabronchial airflow was artificially reversed. The efficiency did not change. How is this evidence against countercurrent and cocurrent gas exchange? How is this evidence for cross-current exchange?arrow_forward
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