Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Question
Chapter 34, Problem 8RQ
Summary Introduction
To compare:
Bulk flow and diffusion.
Introduction:
The respiratory system is a biological system that ensures the transport of gases by the process of inspiration and expiration, with the help of lungs.
Summary Introduction
To explain:
How they interact to promote the exchange of gas between air and blood and between blood and tissues.
Introduction:
The respiratory system consists of respiratory passage that extends through head, neck and the lungs. The primary function associated with the respiratory system is breathing. It has many other purposes also such as air passage, exchange of gases, odor detection and sound production.
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Discuss those factors that infl uence the rate of diffusion across the blood-gas interface in the lung.
The diffusion coefficient of a gas is a constant and is not affected by disease states or treatment options. In contrast the other factors that determine gas diffusion through the respiratory membrane is affected by changes.Name the factors that can cause an increase in the diffusion rate through the respiratory membrane and provide detailed examples of conditions that will cause this increase.
Concept map: construct a map of gas transport using the following terms. alveoli, arterial blood, carbaminohemoglobin, carbonic anhydrase, chloride shift, dissolved CO2, dissolved O2, hemoglobin, hemoglobin saturation, oxyhemoglobin, Pco2, plasma, Po2, pressure gradient, red blood cell, and venous blood. You may also add other terms.
Chapter 34 Solutions
Biology
Ch. 34.1 - explain how organismal respiration supports...Ch. 34.1 - describe the adaptations of respiratory surfaces...Ch. 34.1 - explain why bulk flow is required for respiration?Ch. 34.2 - Prob. 1HYEWCh. 34.2 - How does the insect tracheal system compensate for...Ch. 34.2 - How do the respiratory adaptations of amphibians...Ch. 34.2 - explain the four stages of gas exchange in animals...Ch. 34.2 - explain the respiratory adaptations of fish?Ch. 34.2 - Prob. 3CYLCh. 34.3 - Prob. 1TC
Ch. 34.3 - How does contracting the diaphragm muscle and the...Ch. 34.3 - If you have sleep apnea, you never get a good...Ch. 34.3 - Prob. 3TCCh. 34.3 - Prob. 1CYLCh. 34.3 - explain the mechanics of breathing?Ch. 34.3 - Prob. 3CYLCh. 34.3 - Prob. 2CSCCh. 34.4 - Prob. 1TCCh. 34.4 - Prob. 1CYLCh. 34.4 - Prob. 2CYLCh. 34.4 - Prob. 1CTCh. 34 - Which of the following in not true of respiratory...Ch. 34 - Prob. 2MCCh. 34 - Which of the following statements is False? a....Ch. 34 - Prob. 4MCCh. 34 - Prob. 5MCCh. 34 - Prob. 1FIBCh. 34 - Prob. 2FIBCh. 34 - Which part of the conducting portion of the...Ch. 34 - Prob. 4FIBCh. 34 - Prob. 5FIBCh. 34 - Prob. 6FIBCh. 34 - Describe how fish gills work, including the basic...Ch. 34 - How does the respiratory system of a frog change...Ch. 34 - Prob. 3RQCh. 34 - Prob. 4RQCh. 34 - Prob. 5RQCh. 34 - Prob. 6RQCh. 34 - What events occur during human inhalation? During...Ch. 34 - Prob. 8RQCh. 34 - Prob. 9RQCh. 34 - Explain how the structure and arrangement of...Ch. 34 - Prob. 1ACCh. 34 - Nicotine is responsible for keeping smokers...Ch. 34 - Prob. 3AC
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- Use a familiar formula to explain the relationship between resistance to air flow, length of airways (L), viscosity of air (n) and radius of airways (r) Which factor is most significant?arrow_forwardExplain the role of hemoglobin in gas transport.arrow_forwardDescribe three ways in which carbon dioxide can be transported.arrow_forward
- Describe the four factors that affect the diffusion of gasesthrough the respiratory membrane. Give examples ofdiseases that decrease diffusion by altering these factors.arrow_forwardState the equation relating minute ventilation, tidal volume, and respiratory rate. Give representative values for each in a normal person at rest?arrow_forwardOutline the process of gas exchangearrow_forward
- Describe Fick's Law of diffusion and the impact of increased tissue thickness of the alveoli on gas exchange.arrow_forwardThe alveoli and blood capillaries make up the gas exchange surface of the lungs, and as the arrows in the diagram (Figure 3) illustrate, this is where oxygen and carbon dioxide move in a particular direction. a) With reference to simple diffusion, explain why oxygen and carbon dioxide move in the directions illustrated by the arrows. b) The gas exchange surface is specifically adapted to maximise the transport of oxygen and carbon dioxide in these illustrated directions. Explain at least three of these adaptations.arrow_forwardExplain how gill respiration is facilitated by unidirectionalwater flow, whereas lung ventilation can depend onbidirectional airflow.arrow_forward
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