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Respiratory System
Essay specific features


Written by:
Kenneth A
Date added:
March 16, 2016
Level:
University
Grade:
A
No of pages / words:
9 / 2423
Was viewed:
1552 times
Essay content:
The respiratory system begins with respiratory airways that lead into the lungs. These airways include nasal passages, pharynx, trachea, larynx, right and left bronchi, bronchioles and clusters of alveoli. The lungs themselves occupy most of the thoracic cavity and each lung is divided into several lobes...
displayed 300 characters
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The diaphragm and pleural sac are important components to the respiratory system as well. The pleural sac is a thin layer of tissue covering the lungs and the wall of the chest cavity to protect and cushion the lungs. The diaphragm is a sheet of skeletal muscle that lies inferior to the lungs. When this sheet of muscle contracts, air is pulled into the lungs and when the muscle relaxes air is pushed out of the lungs...
displayed 300 characters
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