The And The Respiratory System Essay example

755 Words Apr 22nd, 2015 4 Pages
Smoking and the Respiratory System The respiration system is one of the prime systems in human body because its function is to deliver oxygen to the lungs in order to exchange gases. Many reasons can cause the function of the respiration system not to perform well and cause the diseases; smoking is one of the main reason and the most dangerous cause that can cause diseases in human body. Since there are many parts of respiration system and functions of each part perform dependently, smoking can interfere the whole process of the respiratory system. The two phrases of the respiratory system are inspiration and expiration, and this system is divided into two parts – upper respiratory tract and lower respiratory tract. Inspiration is the active process of inhalation that brings oxygen into the lungs while expiration is the passive process of exhalation that expels carbon dioxide from the lungs. Moreover, the upper respiratory tract includes nose, pharynx that is also known as throat and larynx that is also called voice box. The lower respiratory tract consists of trachea that is windpipe, bronchial tree that includes two bronchi and lungs that are made up with the secondary bronchi, bronchioles and alveoli. As the main function of respiration system is exchanging gases, it also has own function for each part of the system. When human inhales the oxygen, the air passes from the nose, and the hair and mucus in the nose filter that air. Then, it passes into the nasal cavity…

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