1.
Inside of the nose where air is warmed, filtered, and humidified before it goes deeper into the airway.
2.
The mouth; a second entry for air to reach the airway and lungs.
3.
The throat; passageway behind the nose and mouth that leads to the larynx and esophagus.
4.
Upper part of the throat behind the nose where air passes after entering the nostrils.
5.
Middle part of the throat behind the mouth where air passes after entering the mouth.
6.
Lower part of the throat just above the larynx where air is directed into the airway.
7.
A small, movable flap that covers the airway when you swallow so food and liquid do not enter the trachea.
8.
“Voice box”; the structure at the top of the trachea that contains the vocal cords and protects the lower airway.
9.
The opening between the vocal cords leading into the trachea.
10.
“Windpipe”; main tube carrying air from the larynx down into the chest.
11.
Two large branches off the trachea that carry air to each lung.
12.
Smaller branches of the bronchi that carry air deeper into the lungs.
13.
Dome-shaped muscle under the lungs that does most of the work of breathing in and out.
14.
Sensors in the body that detect levels of oxygen, carbon dioxide, and pH and help regulate breathing.
16.
Abnormally slow breathing rate.
17.
Abnormally fast breathing rate.
18.
Shortness of breath or feeling like you cannot get enough air.
19.
Bluish color of the skin, lips, or nail beds caused by low oxygen levels.
20.
– Surgical opening in the neck directly into the trachea for breathing; often has a tube in place.
21.
Low oxygen level in the tissues; cells are not getting enough oxygen.
22.
Low oxygen level in the blood.
23.
High-pitched sound on inspiration, usually from upper airway obstruction.
24.
Low-pitched, snoring or rattling sounds from mucus or secretions in the larger airways.
25.
Ring-shaped cartilage below the thyroid cartilage; in younger children, the narrowest part of the airway is at this level.
26.
Infection causing swelling of the epiglottis, which can quickly block the airway; medical emergency.
