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The walls of veins have the same three layers as the ________. A. Arteries B. Capillaries C. Tissue D. Soma
Weegy: A. Arteries. The veins outer walls have the same three layers as the arteries User: Almost ________ of the total blood volume is in the veins at any given time. A. 30% B. 50% C. 70% D. 90% Weegy: C. 70% percent of the total blood volume is in the veins at any given time. User: The brain is divided into the _______. A. Cerebrum B. Cerebellum C. Brain stem D. All of the above Weegy: A. Cerebrum User: The ... (More)
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Asked 4/27/2012 1:25:36 PM
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An instrument called a ________ is used to measure the volume of air that moves into and out of the lungs. A. Hydrometer B. Barometer C. Spirometer D. None of the above
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Not Answered
Updated 76 days ago|6/5/2014 2:49:35 PM
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An instrument called a SPIROMETER is used to measure the volume of air that moves into and out of the lungs.
Added 76 days ago|6/5/2014 2:49:35 PM
What is the trachea commonly called? A. Voice box B. Vocal cord C. Windflute D. Windpipe
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Updated 84 days ago|5/28/2014 12:00:01 PM
1 Answer/Comment
The trachea is commonly called the WINDPIPE.
Added 84 days ago|5/28/2014 12:00:01 PM
What is atmospheric pressure? A. Pressure of the air inside the body B. Pressure of the air outside the body C. Pressure of the air within one’s mouth D. Pressure of the air within one’s lungs
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Updated 84 days ago|5/28/2014 12:05:19 PM
1 Answer/Comment
Atmospheric pressure is the pressure of the air outside the body.
Added 84 days ago|5/28/2014 12:05:19 PM
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