The reader says the features of the respiratory tract system and also relates the structural organization of the device to that functions.
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Describes the exchange the oxygen and also carbon dioxide v the atmosphere and also relates gas exchange to the metabolism of the tissues of the body.Defines the function of the respiratory mechanism in acid-base balance.Lists the nonrespiratory features of the lungs.Defines and also describes the alveolar-capillary unit, the website of gas exchange in the lungs.Describes the move of gas with the conducting airways to and also from the alveoli.Describes the structural qualities of the airways.Lists the materials of the chest wall and relates the features of the muscle of respiration come the motion of wait into and also out of the alveoli.Describes the central nervous device initiation of breathing and the innervation of the respiratory muscles.
The main features of the respiratory system are to obtain oxygen from the outside environment and also supply it to the cells and to remove from the human body the carbon dioxide developed by cellular metabolism.
The respiratory mechanism is created of the lungs, the conducting airways, the parts of the main nervous system came to with the control of the muscles of respiration, and the chest wall. The chest wall consists that the muscles of respiration—such together the diaphragm, the intercostal muscles, and also the abdominal muscle muscles—and the rib cage.
The attributes of the respiratory tract system include gas exchange, acid-base balance, phonation, pulmonary defense and metabolism, and the handling of bioactive materials.
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Oxygen from the ambient waiting is exchanged because that carbon dioxide created by the cell of the body in the alveoli the the lungs. New air, comprise oxygen, is influenced into the lungs through the conducting airways. The forces causing the air to flow are generated by the respiratory tract muscles, exhilaration on regulates initiated through the central nervous system. At the same time, venous blood return from the miscellaneous body tissues is pumped into the lungs by the best ventricle the the heart. This mixed venous blood has actually a high carbon dioxide content and a low oxygen content. In the pulmonary capillaries, carbon dioxide is exchanged for oxygen native the alveoli. The blood leaving the lungs, i beg your pardon now has a high oxygen content and also a relatively low carbon dioxide content, is spread to the tissues of the body by the left next of the heart. During expiration, gas v a high concentration that carbon dioxide is expelled indigenous the body. A schematic diagram of the gas exchange role of the respiratory device is displayed in number 1–1.