The respiratory system is responsible for the exchange of gases between the body and the environment. It consists of the airways, the lungs, and the muscles of respiration. The primary function of the respiratory system is to supply the body with oxygen and dispose of carbon dioxide, a waste product of cellular respiration.
The respiratory system can be divided into the upper respiratory tract and the lower respiratory tract. The upper respiratory tract includes the nose, nasal cavity, pharynx, and larynx. The lower respiratory tract consists of the trachea, bronchi, bronchioles, and the lungs.
The respiratory system performs several key functions, including:
When studying the respiratory system, it's important to focus on the following key concepts:
By mastering these concepts, you will gain a solid understanding of the respiratory system and its significance in maintaining overall health and well-being.
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