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Author Question: During quiet breathing, A) only the internal intercostal muscles contract. B) inspiration involves ... (Read 10 times)

Melani1276

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on: Feb 28, 2019
During quiet breathing,
 A) only the internal intercostal muscles contract.
  B) inspiration involves muscular contractions and expiration is passive.
  C) inspiration is passive and expiration involves muscular contractions.
  D) both inspiration and expiration are passive.
  E) both inspiration and expiration involve muscular contractions.

Question 2

A normal, relaxed inhalation carries about ________ of the inhaled air to the olfactory organs.
 A) 50 percent
  B) 8 percent
  C) 2 percent
  D) 35 percent
  E) 10 percent


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yotaSR5

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Reply #1 on: Feb 28, 2019
Answer to Question 1

B

Answer to Question 2

C


Melani1276

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Reply 2 on: Feb 28, 2019
Excellent

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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