1.
External openings of the nose through which air enters and exits.
2.
Curved structures inside the nasal cavity that increase surface area and promote warming/humidification of air.
3.
Muscular passageway connecting the nose and mouth to the larynx and esophagus
4.
Structure connecting the pharynx with the trachea; contains the vocal cords and helps protect the lower airway.
5.
Folds of tissue within the larynx involved in sound production and airway protection
6.
Ring-shaped below the thyroid cartilage and above the trachea.
7.
Largest cartilage of the larynx; forms the anterior prominence commonly called the Adam's apple.
8.
U-shaped bone supporting the tongue and associated structures of the upper airway.
9.
Soft-tissue projection from the posterior soft palate.
10.
Point at which the trachea divides into right or left
11.
Major aiways branching from the trachea into the lungs
12.
Air sacs where gas exchange takes place
13.
Muscle of inspiration which move downward increasing thoracic volume
14.
Muscles between ribs that assist with inspiration and forced expiration
15.
Air that does not participate in gas exchange
16.
Passage of blood through pulmonary system that has oxygen for tissue use
17.
Low oxygen level in arterial blood
18.
Inadequate oxygen available to tissues or does not reach alveolar exchange
19.
Majority of exhaled gas
20.
Ease with which the lungs and chest wall expand
21.
Difficulty breathing lying down
22.
Difficulty breathing while asleep
23.
Airway obstruction caused by aspirated or material
