airway

upper airway

100

This flap-like structure prevents food from entering the airway during swallowing.

epiglottis

200

The pharynx is divided inro three regions. Name one of the three.

Nasopharynx, oropharynx, or laryngopharynx

300

This part of the upper airway serves both the respiratory and digestive systems.

pharynx

400

The nose helps to do these three things to the air before it reaches the lungs.

warm, humidify, and filter  

500

This structure divides the nasal cavity into left and right sides.

nasal septum

lower airway

100

The trachea splits into these two tubes that lead into each lung.

bronchi

200

These tiny air sacs are where oxygen and carbon dioxide are exchanged

alveoli

300

This dome-shaped muscle plays a major role in breathing by contracting and relaxing.

diaphragm

400

This tube connects the larynx to the bronchi and is part of the lower airway.

trachea

500

The lungs are located in this cavity of the body.

the thoracic cavity

structural

100

This is the first structure air passes through when entering the respiratory system.

nose

200

This part of the pharynx lies behind the oral cavity.

oropharynx

300

This lowest part of the pharynx connects to the larynx and esophagus.

laryngopharynx

400

This cartilage forms the front wall of the larynx and is commonly called the Adam’s apple.

thyroid cartilage

500

This bone forms the hard floor of the nasal cavity.

hard palate

medical terminology

100

This term describes the act of drawing air into the lungs.

inhalation

200

This term describes the act of pushing air out of the lungs.

exhalation

300

This term refers to low oxygen levels in the blood.

hypoxemia

400

This term refers to inflammation of the bronchi.

bronchitis

500

This high-pitched sound heard during breathing may indicate airway narrowing.

wheezing

miscellaneeous

100

This device delivers oxygen through two small prongs placed in the nostrils.

nasal cannula

200

This handheld device is used to manually ventilate a patient.

bag-valve mask or BVM

300

This tube is inserted into the trachea to maintain an open airway.

endotracheal tube

400

This mask covers the nose and mouth and delivers higher concentrations of oxygen.

non-rebreather mask

500

This device clips onto a finger to measure oxygen saturation in the blood.

What is a pulse oximeter