Question and answer
What part of the lower respiratory tract is made up of tiny air sacs where oxygen and carbon dioxide are exchanged? A. Trachea B. Alveoli C. Bronchioles D. Larynx
Alveoli is made up of tiny air sacs where oxygen and carbon dioxide are exchanged.
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thederby|Points 1530|
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Asked 2/11/2013 11:58:11 AM
Updated 12/14/2017 5:00:01 AM
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Edited by Masamune [12/14/2017 5:00:00 AM], Confirmed by Masamune [12/14/2017 5:00:01 AM]
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In the body of a human or other complex organism, a group of similar cells performing similar functions is called a/an A. organ. B. tissue. C. organ system. D. cell.
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In the body of a human or other complex organism, a group of similar cells performing similar functions is called a tissue.
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