
Image Result For Two Parts Of The Respiratory System
The parts of the respiratory system. The respiratory system is divided into two parts Upper respiratory tract This includes the nose, mouth, and the beginning of the trachea the section that takes air in and lets it out ..Anatomy of the Respiratory System. Nose and Nasal Cavity. The nose and nasal cavity form the main external opening for the respiratory system and are the first section of the body s airwaythe respiratory tract through which air moves. Mouth. Pharynx. Larynx. Trachea. Bronchi and Bronchioles. Lungs. Muscles of .
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