i. Alveolar sacs are composed of epithelium. 1. What is the function of this tissue? ii. The air sacs also contain a thin layer of water-based interstitial fluid. What role do the alveoli play in breathing? iii. What prevents the alveoli from collapsing? iv. Premature babies have underdeveloped lungs. What lung cells are missing or inactive? What substance do these cells secrete? What role does this substance play in respiration? v. Name the cells that ward off microbes and debris that may be inhaled. Where are these cells located?
i. Alveolar sacs are composed of epithelium. 1. What is the function of this tissue? ii. The air sacs also contain a thin layer of water-based interstitial fluid. What role do the alveoli play in breathing? iii. What prevents the alveoli from collapsing? iv. Premature babies have underdeveloped lungs. What lung cells are missing or inactive? What substance do these cells secrete? What role does this substance play in respiration? v. Name the cells that ward off microbes and debris that may be inhaled. Where are these cells located?
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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Transcribed Image Text:80
g. Alveoli:
F3
i. Alveolar sacs are composed of
iii.
iv.
Accessibility: Investigate
ii.
The air sacs also contain a thin layer of water-based interstitial fluid. What role
do the alveoli play in breathing?
What prevents the alveoli from collapsing?
F4
epithelium.
Q
1. What is the function of this tissue?
respiration?
v. Name the cells that ward off microbes and debris that may be inhaled. Where
are these cells located?
Bronchial Tree
Premature babies have underdeveloped lungs. What lung cells are missing or
inactive?
What substance do these cells
What role does this substance play in
secrete?
ES
Conducting
Respiratory
Left primary,
bronchus
Secondary bronchus
Tertiary bronchi
Terminal bronchiole
Respiratory
bronchiole
Alveolar
sac
2
-Trachea
Lobule
8
Bronchioles
DII
8
I
Focus
J
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