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Author Question: The site of oxygen and carbon dioxide exchange is the A) alveoli. B) diaphragm. C) bronchi. ... (Read 126 times)

elizabeth18

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on: Jun 21, 2018
The site of oxygen and carbon dioxide exchange is the
 
  A) alveoli.
  B) diaphragm.
  C) bronchi.
  D) trachea.

Question 2

The principle function of the respiratory system is to take in ____ and to eliminate ____.
 
  A) leukocytes . . . oxygen
  B) oxygen . . . carbon dioxide
  C) oxygen . . . methane
  D) nitrogen . . . carbon dioxide and methane


nekcihc358

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Reply #1 on: Jun 21, 2018
Answer to Question 1

A

Answer to Question 2

B


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