Chapter 11 - The Respiratory System Flashcards
Pharynx
Throat
External gas exchange
Between outside atmosphere and the blood.
Internal gas exchange
Between the blood and tissues
Turbinate bones
Receptors for smell. Side projection of the nasal cavity.
Paranasal sinuses
Frontal, sphenoidal, ethmoidal, and maxillary
Nasopharynx
Superior portion of the pharynx. Located behind the nasal cavity.
Oropharynx
Middle portion of the pharynx. Behind the mouth.
Laryngopharynx
Inferior portion behind the larynx.
Epiglottis
Cartilage at the top of the larynx that covers the opening of the larynx to prevent food from entering when swallowing
Pleura
Double membrane that covers the lungs and lines the thoracic cavity.
Parietal pleura
Outer layer. Attached to the wall of the thoracic cavity
Visceral pleura
Inner layer. Attached to the surface of the lungs
Phrenic nerve
Stimulates the diaphragm to begin inspiration
Compliance
How easily the lungs expand.
Surfactant
Fluid produced in the lungs to aid in compliance.
-pnea
Breathing
-oxia
Level of oxygen
-capnia
Level of carbon dioxide
-phonia
Voice
Nas/o
Nose