Respiratory System
The respiratory system is the set of organs in mammals responsible for the exchange of oxygen and carbon dioxide between the atmosphere and the bloodstream. It is composed of two main parts – the conducting zone and the respiratory zone. The conducting zone includes the nose, larynx, trachea, bronchi, and bronchioles. The respiratory zone includes the alveoli, where oxygen and carbon dioxide are exchanged. The respiratory system is essential for life, as the exchange of oxygen and carbon dioxide helps to maintain the body's pH balance, energy levels, and other vital functions. It is also important for the elimination of toxic gases and the regulation of body temperature. Improper functioning of the respiratory system can lead to numerous health problems, including asthma and chronic obstructive pulmonary disease (COPD).
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