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Author Question: _____ seconds is required for oxygen (O2) concentration to equilibrate (equalize) across the ... (Read 80 times)

WhattoUnderstand

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on: Jun 25, 2018
_____ seconds is required for oxygen (O2) concentration to equilibrate (equalize) across the alve-olocapillary membrane.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Which structures may be found in the walls of the respiratory bronchi? (select all that apply)
 
  a. Smooth muscle
  b. Surfactant-producing glands
  c. Goblet cells
  d. Ciliated cells
  e. Epithelial lining


6ana001

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: 0.25

Answer to Question 2

ANS: A, C, D, E
The bronchial walls have three layers: an epithelial lining, a smooth muscle layer, and a connec-tive tissue layer. The epithelial lining of the bronchi contains single-celled exocrine glandsthe mucus-secreting goblet cellsand ciliated cells. Surfactant-producing glands are found in the alveoli.


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