A&P of Respiratory System

The Upper Airway consists of:

nose (nasal cavity), oral cavity, pharynx, and larynx

What are the functions of the Upper Airway?

Conductor of air, humidify and warm/cool the air, prevent foreign material from entering the tracheobronchial tree, and aid in speech and smell.

What are the functions of the nose?

Filter, humidify, and condition (warm/ cool air).

What makes up the Oral Cavity?

Vestibule, Tongue (intrinsic and extrinsic muscles), lingual frenulum, hard and soft palate, and palatine arches. 

Tell me about the Pharynx

Attached to nasal cavity inspired air flows through, divided into: the nasopharynx, the oropharynx, laryngopharynx.

What is the Larynx?

Vestibule opening into trachea. Connects the upper airway to the lower airway. Protects the airway from aspirating food and liquid. Voice Box

Lower Airway: Cartilaginous Airways consists of:

trachea, main stem bronchi, lobar bronchi, segmental bronchi, and subsegmental bronchi.

Lower Airway: Cartilaginous Airways functions are: 

conduct air between external environments and sites of gas exchange.

Lower Airway: Non-Cartilaginous Airways consist of: 

bronchioles and terminal bronchioles

Lower Airway: Non-Cartilaginous Airways functions are:

conductors of air and sites of gas exchange

Whate are the sites of