EBK BIOLOGY
6th Edition
ISBN: 9780134819150
Author: Maier
Publisher: VST
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 20, Problem 3LTB
Alveoli are ___________.
- small air sacs at the ends of bronchi in the lungs:
- the respiratory surface in mammals;
- surrounded by a net of capillaries:
- subject to damage because of exposure to tobacco smoke;
- all of the above are correct
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Part A: Below is the step-by-step path of air through the respiratory system, but the steps are not in correct sequence. Put them in order, numbering them from 1 to 8.
______ Air enters the alveoli.
______ Carbon dioxide passes out of the bloodstream, and is eventually exhaled.
______ Cilia and mucus trap tiny particles found in the air, and warm and moisten the air.
______ Air moves through smaller and smaller passageways called bronchi.
______ The trachea, or windpipe, then carries the air to the lungs.
______ Air enters the nose.
______ Oxygen passes into the bloodstream.
______ Air moves down the throat, or pharynx.
Patients with cystic fibrosis (CF) have a defect in which of the following parts of the respiratory system?
Group of answer choices
cilia
trachea
alveoli
columnar epithelial cells
mucus
Respiratory System in Insects (air-dried insect and whole mount of insect spiracle and trachea)
Parameter
Identification/Description/Enumeration
Shape of the spiracle
Body Segments where
spiracles are found
Shape of the trachea
Chapter 20 Solutions
EBK BIOLOGY
Ch. 20 - Describe how contraction of the diaphragm allows...Ch. 20 - Prob. 2LTBCh. 20 - Alveoli are ___________. small air sacs at the...Ch. 20 - Prob. 4LTBCh. 20 - Prob. 5LTBCh. 20 - Prob. 6LTBCh. 20 - Prob. 7LTBCh. 20 - Prob. 8LTBCh. 20 - Heart attacks ___________. are typically caused by...Ch. 20 - Prob. 10LTB
Additional Science Textbook Solutions
Find more solutions based on key concepts
True or false? Some trails are considered vestigial because they existed long ago.
Biological Science (6th Edition)
Single penny tossed 20 times and counting heads and tails: Probability (prediction): _______/20 heads ________/...
Laboratory Manual For Human Anatomy & Physiology
How does the removal of hydrogen atoms from nutrient molecules result in a loss of energy from the nutrient mol...
SEELEY'S ANATOMY+PHYSIOLOGY
The validity of a scientific law.
Physical Universe
An obese 55-year-old woman consults her physician about minor chest pains during exercise. Explain the physicia...
Biology: Life on Earth with Physiology (11th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe the function of these terms and describe where they are located: main bronchus, trachea, alveoli.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_forwardFigure 39.7 Which of the following statements about the mammalian respiratory system is false? When we breathe in, air travels from the pharynx to the trachea. The bronchioles branch into bronchi. Alveolar ducts connect to alveolar sacs. Gas exchange between the lung and blood takes place in the alveolus.arrow_forward
- Of the following, which does not explain why the partial pressure of oxygen is lower in the lung than in the external air? Air in the lung is humidified; therefore, water vapor pressure alters the pressure Carbon dioxide mixes with oxygen Oxygen is moved into the blood and is headed to the tissues Lungs exert a pressure on the air to reduce the oxygen pressure.arrow_forwardA partial pressure gradient of oxygen exists between ________. a. air and lungs b. lungs and metabolically active tissues c. air at sea level and air at high altitudes d. all of the abovearrow_forward17. Cartilage is found in which of the following structures of the tracheobronchial tree? 1. Bronchioles 2. Respiratory bronchioles 3. Segmental bronchi 4. Terminal bronchioles A. 1 only B. 3 only C. 2 and 3 only D. 1 and 4 onlyarrow_forward
- Figure 16.9 Which of the following statements about the human respiratory system is false? a. When we breathe in, air travels from the pharynx to the trachea. b. The bronchioles branch into bronchi. c. Alveolar ducts connect to alveolar sacs. d. Gas exchange between the lungs and blood takes place in the alveolus.arrow_forwardIn the diagram below, label the parts of the respiratory system and the structures that enclose some of its partsarrow_forwardAll cilia of the upper respiratory tract move mucus to the: trachea O esophagus vestibule of the nose The last complete ring of cartilage in the respiratory tract as you move from the nose toward the lungs is in the: trachea bronchi O larynx O bronchiolesarrow_forward
- The concentration of O2 in the medium when it first reaches the respiratory surface is ______. higher in a respiratory system using unidirectional flow than one using bidirectional flow higher in a respiratory system using bidirectional flow than one using unidirectional flow equal to that of the air or water surrounding the animal in both unidirectional flow and bidirectional flowarrow_forward36arrow_forwardF Main air way known as windpipe Cilia filters the air here. Branches of bronchi. Where gas exchange takes place. A muscle that helps A O A E B C D W E B G F C Garrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning
Human Biology (MindTap Course List)
Biology
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cengage Learning
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Respiratory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=v_j-LD2YEqg;License: Standard youtube license