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Q: The diaphragm functions as an involuntary muscle when a person: A. coughs. B. holds his or her breath. C. sleeps. D. takes a deep breath.
A: The diaphragm functions as an involuntary muscle when a person sleeps.
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Asked 9/14/2012 3:22:56 PM
Updated 10/5/2015 1:36:25 PM
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The diaphragm functions as an involuntary muscle when a person sleeps.
Added 10/5/2015 1:36:25 PM
This answer has been confirmed as correct and helpful.
Confirmed by Andrew. [10/5/2015 1:40:55 PM]
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What is tachycardia?
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Updated 6/9/2016 1:54:42 AM
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Tachycardia refers to an abnormally fast resting heart rate - usually at least 100 beats per minute.

Added 6/9/2016 1:54:42 AM
This answer has been confirmed as correct and helpful.
Tachycardia
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Updated 108 days ago|3/7/2018 12:07:40 AM
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Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate.

Added 108 days ago|3/6/2018 11:37:19 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [3/7/2018 12:07:42 AM]
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