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Pulmonary ventilation is also referred to as ________. A. The lungs B. Gasping C. Breathing D. The bronchial tubes
Pulmonary ventilation is also referred to as C. Breathing
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User: Air, like other gases, flows from a region with ________. A. Lower pressure to a region with higher pressure B. No pressure to a region with high pressure C. Little pressure to a region with high pressure D. Higher pressure to a region with lower pressure

User: The long continuous tube that is the digestive tract is about ________ in length.

User: 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 C. Breathing
patmarone|Points 6088|

User: The respiratory conducting passages are divided into the ________. A. Upper and lower respiratory tract B. Posterior and exterior respiratory tract C. Internal and external respiratory tract D. Left and right respiratory tract

Weegy: A. Upper and lower respiratory tract
shifa saleheen|Points 9842|

User: Which organ is a part of the digestive system? A. Heart B. Kidneys C. Lungs D. Anus

Weegy: D. Anus
smp0784|Points 3821|

User: 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: c
smartypants28|Points 50|

User: 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





Weegy: D. Pressure of the air within one’s lungs
Expert answered|mxs|Points 510|

User: The endocrine system acts through chemical messengers called ________. A. Tissue B. Blood cells C. Neurotransmitters D. Hormones

Weegy: D. Hormones
Expert answered|mxs|Points 510|

Question
Asked 9/8/2012 1:40:37 PM
Updated 8/13/2014 12:31:34 PM
2 Answers/Comments
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The long continuous tube that is the digestive tract is about 9 METERS in length.
Added 5/18/2014 1:54:25 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [5/18/2014 1:58:18 AM], Rated good by jeifunk
3
External respiration is the exchange of gases between the lungs and the blood.

Added 8/13/2014 12:31:34 PM
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Asked 9/8/2012 3:02:05 PM
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