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Home Q & A Board Biology-Related Homework Help General Biology
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Alehandrax Alehandrax
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Posts: 350
Rep: 20 0
6 years ago
Breathing is regulated by ________.
A) the diaphragm and chest muscles
B) the spinal cord
C) the circulatory system
D) control centers in the brain stem
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GamerGeekGamerGeek
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#1
6 years ago
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Alehandrax Author
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#2
6 years ago
Such a godsend, you helped me and my friend big time
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