Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 5RQ
What drives oxygen from the air spaces in alveoli, through tissue fluid, and across capillary epithelium? What drives carbon dioxide in the opposite direction?
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b) respiratory bronchioles and alveolar sacs
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e) alveolar and capillary walls and their fused basement membranes
Cigarette smoke irritates the lining of your airway, causing it to [6]; this makes the diameter of your airway [7] and slows the movement of air. Smoke also slows the movement of [8].
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Chapter 10 Solutions
Human Biology Custom Edition
Ch. 10 - In the diagram below, label the parts of the...Ch. 10 - What is the difference between respiration and...Ch. 10 - Explain what a partial pressure gradient is and...Ch. 10 - What is oxyhemoglobin? Where does it form?Ch. 10 - What drives oxygen from the air spaces in alveoli,...Ch. 10 - How does hemoglobin help maintain the oxygen...Ch. 10 - What reactions enhance the transport of carbon...Ch. 10 - How do nerve impulses from the brain regulate...Ch. 10 - Why does your breathing rate increase when you...Ch. 10 - A partial pressure gradient of oxygen exists...
Ch. 10 - The ________ is an airway that connects the nose...Ch. 10 - Oxygen in air must diffuse across______ to enter...Ch. 10 - Prob. 4SQCh. 10 - Gas exchange occurs at the _______. a. two bronchi...Ch. 10 - Breathing _______. a. ventilates the lungs b....Ch. 10 - After oxygen diffuses into lung capillaries, it...Ch. 10 - Due to its partial pressure gradient, carbon...Ch. 10 - Prob. 9SQCh. 10 - Prob. 10SQCh. 10 - Cases of accidental carbon monoxide poisoning...Ch. 10 - Prob. 2CTCh. 10 - When you sneeze, abdominal muscles abruptly...Ch. 10 - Underwater, we humans cant compete with whales and...Ch. 10 - Prob. 5CT
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- How does the structure of alveoli maximize gas exchange?arrow_forwardHow do nerve impulses from the brain regulate ventilation of the lungs? How are the rate and depth of breathing controlled?arrow_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_forward
- What reactions enhance the transport of carbon dioxide throughout the body? How is carbon dioxide moved out of the body?arrow_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_forwardWe inhale oxygen when we breathe and exhale carbon dioxide. What is the oxygen used for and where does the carbon dioxide come from?arrow_forward
- O_{2} is loaded into the blood from the alveolar air and is primarily converted into hydrogen peroxide, hydrogen peroxide breaks down to form hydrogen ions and water, the hydrogen lons bind to hemoglobin and cause carbon dioxide to be displaced, the displaced carbon dioxide is unloaded from the blood to the alveolar air and is ultimately exhaled. Where is this sequence of events occurring?arrow_forwardWhy does thickening of alveolar membranes impair oxygen movement but has little effect on carbon dioxide exchange?arrow_forwardName the vessels (in the correct sequence) that CO2 travels in during transport. Describe what happens to CO2 during external respiration. Which structures does it cross? What is the pathway of CO2 in ventilation? How is it different from the pathway that oxygen takes?arrow_forward
- Which of the following is the respiratory membrane composed of? A) atria and alveolar sacs B) alveolar and capillary walls and their fused basement membranes C) respiratory bronchioles and alveolar ducts D) respiratory bronchioles and alveolar sacsarrow_forwardThe alveolar walls are composed of two types of cells type I and type II pneumocytes. The function of type II cells is to O increase surface tension O secrete surfactant O decrease surface tension O trap dust and other debris O b) and c) O b) and d)arrow_forwardwhat is the oxygen pressure in alveoli, arterial blood and tissue? what is the direction of oxygen diffusion in lugs and tissue?arrow_forward
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Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license