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Q: 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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Asked 5/22/2012 10:25:14 AM
Updated 8/21/2012 8:33:07 AM
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Added 8/21/2012 8:21:37 AM
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The question was already answered. Please don't post duplicate answers in the archive. If you do add or correct an answer that is wrong, please type out the full answer rather than just the letter.
Added 8/21/2012 8:33:07 AM
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What is the first activity of the digestive system? A. Digestion B. Ingestion C. Movement D. Absorption
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Updated 7/1/2014 2:13:06 AM
1 Answer/Comment
The first activity of the digestive system: Ingestion.
Added 7/1/2014 2:13:06 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [7/1/2014 3:26:10 AM]
Pulmonary ventilation is also referred to as ________. A. The lungs B. Gasping C. Breathing D. The bronchial tubes
Weegy: Pulmonary ventilation is also referred to as breathing. (More)
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Updated 150 days ago|11/27/2016 9:25:30 PM
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The long continuous tube that is the digestive tract is about ________ in length. A. 3 meters B. 9 meters C. 5 meters D. 12 meters
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What is the exchange of gases between the lungs and the blood? A. Internal respiration B. Posterior respiration C. External respiration D. None of the above
Weegy: A. Internal respiration is the exchange of gases between the lungs and the blood. (More)
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Updated 8/3/2012 7:09:09 AM
1 Answer/Comment
C.C. External respiration
Every 3 to 5 seconds, nerve impulses stimulate the breathing process, or ventilation, which moves air through a series of passages into and out of the lungs. After this, there is an exchange of gases between the lungs and the blood. This is called external respiration.
Added 8/3/2012 7:09:09 AM
Rated good by rohan1
After ejaculation, the sperm can live for about ________ in the female reproductive tract. A. 72 hours B. 48 hours C. 24 hours D. 12 hours
Weegy: A.) 72 hours (More)
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Updated 5/22/2015 7:15:13 AM
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After ej aculation, the sp erm can live for about 48 hours in the female reproductive tract.
Added 5/22/2015 7:15:13 AM
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