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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Beanieman Beanieman
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8 years ago
During quiet breathing, a person's breathing cycle consists of
A) contraction and relaxation of inspiratory and expiratory muscles.
B) contraction of inspiratory muscles.
C) contraction of inspiratory muscles and relaxation of expiratory muscles.
D) contraction and relaxation of inspiratory muscles.
E) contraction of expiratory muscles.
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
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venuskyvenusky
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8 years ago
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Beanieman Author
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#2
8 years ago
You're one smart cookie lol
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#3
8 years ago
Glad to help

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