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Lab Time/Date Mechanics of Respiration 1. Base your answers to the following on your observations of the operation of the model lung. Under what internal conditions of the thoracic cavity does air tend to flow into the lungs?. Under what internal conditions of the thoracic cavity does air tend to flow out of the lungs? Explain. 2. Activation of the

Lab Time/Date Mechanics of Respiration 1. Base your answers to the following on your observations of the operation of the model lung. Under what internal conditions of the thoracic cavity does air tend to flow into the lungs?. Under what internal conditions of the thoracic cavity does air tend to flow out of the lungs? Explain. 2. Activation of the

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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EXERCISE 24 Name REVIEW SHEET Respiratory System Physiology Lab Time/Date Mechanics of Respiration 1. Base your answers to the following on your observations of the operation of the model lung. Under what internal conditions of the thoracic cavity does air tend to flow into the lungs? Under what internal conditions of the thoracic cavity does air tend to flow out of the lungs? Explain. 2. Activation of the diaphragm and the external intercostal muscles begins the inspiratory process. What effect does contraction of these muscles have on thoracic volume, and how is this accomplished? 3. What was the approximate increase in diameter of chest circumference during a quiet inspiration? inches During forced inspiration? inches 4. What temporary advantage does the substantial increase in chest circumference during forced inspiration create? Respiratory Volumes and Capacities: Spirometry 5. Write the respiratory volume term and the normal value that is described by the following statements: Volume of air present in the lungs after a forceful expiration Volume of air that can be expired forcibly after a normal expiration Volume of air that is breathed in and out during a normal respiration Volume of air that can be inspired forcibly after a normal inspiration Volume of air corresponding to TV + IRV + ERV 307
Transcribed Image Text:EXERCISE 24 Name REVIEW SHEET Respiratory System Physiology Lab Time/Date Mechanics of Respiration 1. Base your answers to the following on your observations of the operation of the model lung. Under what internal conditions of the thoracic cavity does air tend to flow into the lungs? Under what internal conditions of the thoracic cavity does air tend to flow out of the lungs? Explain. 2. Activation of the diaphragm and the external intercostal muscles begins the inspiratory process. What effect does contraction of these muscles have on thoracic volume, and how is this accomplished? 3. What was the approximate increase in diameter of chest circumference during a quiet inspiration? inches During forced inspiration? inches 4. What temporary advantage does the substantial increase in chest circumference during forced inspiration create? Respiratory Volumes and Capacities: Spirometry 5. Write the respiratory volume term and the normal value that is described by the following statements: Volume of air present in the lungs after a forceful expiration Volume of air that can be expired forcibly after a normal expiration Volume of air that is breathed in and out during a normal respiration Volume of air that can be inspired forcibly after a normal inspiration Volume of air corresponding to TV + IRV + ERV 307
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