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The major structures in the respiratory system include the nasal cavity, pharynx, larynx, trachea, bronchi, lungs, and bronchioles

Top 5 Functions of the Respiratory System: A Look Inside Key Respiratory Activities

Through breathing, inhalation and exhalation, the respiratory system facilitates the exchange of gases between the air and the blood and between the blood and the body’s cells. The respiratory system also helps us to smell and create sound. The following are the five key functions of the respiratory system.

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Overview of the upper respiratory system, the nasal cavity and throat

Breathing In and Speaking Out: How the Structures of the Upper Respiratory System Work

The structures of the upper respiratory system, or respiratory tract, allow us to breathe and speak.

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Structures of the lower respiratory system consist of trachea, bronchii, bronchioles, thoracic cage, lungs, and diaphragm