pt202 quiz #2 am class Vocab

17 terms by Zalesak

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Pulmonary ventilation

The exchange of air between the atmosphere and the air sacs of the lungs.

Nostrils

Air enters the body through these.

Dyspnea

Is a subjective feeling of difficult or labored breathing.

Diffusion

The movement of molecules from an area in which they are in higher concentration to an area in which they are in lower concentration.

Vital capacity

The volume of air that remains in the lungs after maximum exhalation.

Nasal Septum

This seperates the nose into two portions.

Nasopharynx

The superior portion of the nose, located behind the nasal cavity.

Larynx

Commonly called the voice box.

Vocal cords

These vibrate as air flows over them from the lungs.

Epiglottis

A leaf-shaped cartilage that covers the larynx during swallowing.

Trachea

commonly called the windpipe

Mediastinum

The space between the lungs, including the esophagus, trachea, and lymph nodes.

Diaphragm

A muscular partition in the abdominal cavity.

Inhalation

Inspiration, the drawing of air into the lungs.

Exhalation

Expiration, the expulsion of air from the lungs.

Compliance

The ease with which one can expand the lungs and thorax.

Apnea

A temporary cessation of breathing.

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