Anatomy Of Upper Respiratory System

These structures allow us to breathe and speak. Want more respiratory system facts.

Anatomy Chapter 25 Exam 5 Pptx Chapter 25 Respiratory

The upper respiratory system or upper respiratory tract consists of the nose and nasal cavity the pharynx and the larynx.

Anatomy of upper respiratory system. The respiratory system is divided into two main components. The airway which includes the nose mouth pharynx larynx trachea bronchi and bronchioles carries air between the lungs and the bodys exterior. They warm and clean the air we inhale.

The airway the lungs and the muscles of respiration. Lets take a look at some of the structures and jobs of the upper respiratory system. Anatomy of respiratory system structural classificationstructural classification upper respiratory tract lower respiratory tract functional classificationfunctional classification conducting portion nose pharynx larynx trachea bronchi bronchioles and terminal bronchioles their function is to filter warm and moisten air and conduct it into the lungs respiratory portion respiratory bronchioles and the alveolar ducts are responsible for 10 of the gas exchange.

The nostrils the two round or oval holes below the external nose are the primary entrance into the human respiratory system 5. Inside the nose the sticky mucous membrane lining the nasal cavity traps dust particles. Mucous membranes lining upper respiratory structures trap some foreign particles including smoke and other pollutants before the air travels down to the lungs.

The structures of your upper respiratory system are always working overtimefiltering air expelling pollutants and relying on other anatomy to remain healthy and intact. Composed of the nose the pharynx and the larynx the organs of the upper respiratory tract are located outside the chest cavity. Lying just after the nostrils are the two nasal cavities lined with mucous membrane and tiny hair like projections called cilia 6.

Check out our free ebook. There are 3 major parts of the respiratory system. Upper respiratory tract structural and functional anatomy nose and nasal cavity.

Upper Respiratory Airways Physiopedia