Breathing is the process that moves air in and out of the lungs, or the diffusion of
oxygen and carbon dioxide to and from the external environment into and out of ...
Jul 17, 2012 ... When you breathe in, or inhale, your diaphragm contracts (tightens) and moves
downward. This increases the space in your chest cavity, into ...
Respiratory System is a biological system consisting of specific organs and
structures used for the process of respiration in an organism. The respiratory
The process of breathing (respiration) is divided into two distinct phases,
inspiration (inhalation) and expiration (exhalation). During inspiration, the
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Jan 5, 2009 ... @Djalitana the external intercostal muscles elevate the ribs, thus expanding the
thorax, and, because the lungs are attached to the ribs, the ...
Breathing is only part of the process of bringing oxygen to where it is needed in
the body. ... This process is much more efficient in the presence of oxygen.
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Aug 3, 2007 ... Breathing The body's breathing apparatus is enclosed in an ... Lungs Work Video
- Respiratory System: Process of Breathing - Duration: 1:39.
Learn more about the mechanics of human breathing in the Boundless open
textbook. ... The process of inhalation occurs due to an increase in the lung
We rarely think about breathing unless we're out of breath. The act of breathing is
part of the respiratory system, a complex process where air travels into and out ...
Feb 4, 2013 ... Find out all about your lungs and how breathing works. ... The gas exchange
process is performed by the lungs and respiratory system. Air, a ...