Respiratory System Chapter 10 Flashcards
_____ ____ in the nasal cavities filter the air and trap small particles. The rest of the nasal cavities are lined with ____ _____, which helps trap dust and move it to the pharynx to be swallowed and coughed out
stiff hairs
mucous membrane
Under the mucous layer is the ____, which contains capillaries to warm and moisten incoming air (Nasal cavity
Submucosa
The pharynx, commonly referred to as the ____, connects the nasal and oral cavities to the _____.
throat
larynx
The larynx serves as a passageway for air between the ______ and the _____
pharynx
trachea
The larynx is also called the ____ ___, because it contains the vocal chords
voice box
A flap of tissue that prevents food from passing into the larynx
epiglottis
Often called the windpipe and connects the larynx to the primary bronchii
trachea
The trachea divides into right and left primary _____
bronchi
Lined by epithelial cells and goblet cells (mucus producing cells and in the epithelium) and is is where debris is captured by mucus and swept out
Trachea
Has bronchioles terminate at alveolar sacs
Is the site of gas exchange
Has inner lining that contains surfactant
Alveoli
During gas exchange, Gasses diffuse from ___ pressure to ____ pressure (simple diffusion)
Both O2 and CO2 behave this way
high low
CO2 _____ at the alveoli
exits
O2 ______ at the Alveoli
enters
CO2 ____ at the tissues
enters
O2 _____ at the tissues
exits
