Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 42.6, Problem 3CC
Summary Introduction
To explain: The lung function affected by torn membrane because of an injury.
Concept introduction:
Respiratory system consists of a set of organs that allow a person to breathe and exchange oxygen and carbon dioxide throughout the body. Lung injury is also known as respiratory distress syndrome or acute lung injury.
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Andrew has lived his whole life in San Diego, CA at sea level. One summer in college he gets a job as a field biologist in the Colorado Rockies (elevation
7500 ft. above sea level). The first week he is in Colorado he experiences altitude sickness from the change in atmosphere. Altitude sickness is
characterized by fatigue and shortness of breath as a result of the thinner air which contains less oxygen.
a. How does Andrew's fatigue and shortness of breath relate to the cellular respiration pathway?
be.
b. What would you expect to find if you test the level of lactic acid in Andrew's blood? Explain your answer.
.9
C. A couple weeks later, Andrew is feeling better but he noticed that his appetite has increased. Explain why this might be.
BIO 135: Basic Anatomy & Physiology
Chapter 14: Respiratory System
8. Gas Transport (p. 347-348; Fig. 14.10)
a. 97% of oxygen entering the capillaries in the lungs will be transported to tissue cells
in the red blood cells. How is the last 2 -3% of
bound
oxygen carried to tissue cells?
i. When oxygen binds to hemoglobin in the lungs, the hemoglobin changes shape
and the name changes to
This O₂-
blood travels throughout the body supplying oxygen to our tissue cells.
to
ii. At the tissue cells, oxygen diffuses from
concentration from
the systemic capillaries into the ECF and then into the tissue cells. Now the
blood in the system capillaries have (high or low) oxygen concentrations. This
causes the hemoglobin the red blood cells to change shape again and its name
changes from oxyhemoglobin to
This O₂ --
to pick up more
blood is now on its way to the
oxygen.
b. Approximately.
% of CO₂ that enters the systemic capillaries from the tissue cells,
will travel as a dissolved gas in the blood.…
Q2) List the 5 reasons why gas exchange at the respiratory membrane
is efficient?
Chapter 42 Solutions
Campbell Biology
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - What determines whether O2 and CO2 undergo net...Ch. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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- BIO 135: Basic Anatomy & Physiology Chapter 14: Respiratory System f. reflex protects lung tissues when taking deep breaths in by telling the primary respiratory center to stop sending motor impulses to the respiratory muscles and accessory muscles, and the bronchial tree, limiting inspiration and overexpansion of the lungs. g. What happens to your breathing rate during exercise and why? h. When oxygen levels in the blood get too low, chemoreceptors located in the and in the carotid arteries and aorta respectively, will send impulses to the primary respiratory center, which will (increase or decrease) impulses to the respiratory muscles, which will (increase or decrease) breaths per minute. i. What happens to blood oxygen levels? ii. What happens to blood carbon dioxide levels? iii. What happens to blood hydrogen ion levels? i. Explain Cheyne-Stokes respiration. 7. Gas Exchange (Fig. 14.10, p. 346) a. b. the exchange of respiratory gases between the alveoli in the lungs and the blood…arrow_forward. MAKE CONNECTIONS Explain how the change of asingle amino acid in hemoglobin leads to the aggregation of hemoglobin into long fibers. (Review Figures 5.14,5.18, and 5.19.)arrow_forward. Nicotine, one of the components of cigarettes, slows cilia" lining the respiratory tract, causes blood vessels to constrict, and increases heart rate. Another component of cigarette smoke is carbon monoxide. As you have read, carbon monoxide competes with oxygen for binding sites on the hemoglobin molecule found in red blood cells. Analyse the data presented, and describe the potential dangers associated with smoking.arrow_forward
- E3#. What is the purpose of the respiratory system? Answer plz!arrow_forwardPart C - Exploring the cooperative binding of oxygen Oxygen shows cooperative binding to hemoglobin. Cooperative binding has the following effects on the binding and release of oxygen: Oxygen binding to hemoglobin: When one molecule of oxygen binds to one of hemoglobin's four subunits, the other subunits change shape slightly, increasing their affinity for oxygen. Oxygen release from hemoglobin: When four oxygen molecules are bound to hemoglobin's subunits and one subunit releases its oxygen, the other three subunits change shape again. This causes them to release their oxygen more readily. These two graphs show how cooperative binding differs from a hypothetical situation where binding is not cooperative. • The x-axis shows the partial pressure of oxygen (PO₂). This is a measure of the amount of oxygen present in a tissue. The blue arrows on the x-axis show the partial pressure of oxygen in various tissues of the body. • The y-axis shows the oxygen saturation of hemoglobin (O₂…arrow_forwardCreat a Concept map about “The Respiratory and Circulatory systems” Include a minumun of 20 concept “bubbles” and also include a minimum 20 arrow or symbols. Includes at least 3 of these “subtopics” that branch from your central idea (Gas Exchange, Transport, Respiration, Circulation, Breathing Mechanics, Lymphatic System, Components of Blood, Spirometry, Immunity, Regulation, Blood Pressure, Homeostasis)arrow_forward
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