General
Major organs of the upper respiratory system
nasal cavity, larynx, pharynx, trachea & lungs
What is the nasal cavity surrounded by?
sinuses
the "voice box"
larynx
elastic folds of tissue
vocal cords
the "wind pipe"
trachea
The nose is divided by what structure
septum
name the 3 functions of the sinuses
lighten the skull
produce mucus
help with speech
name the flow of air through the 4 main structures of the upper respiratory system.
nasal cavity --> pharynx --> larynx --> trachea,
short section of cartilage that connects the pharynx to the trachea.
larynx
describe 3 characteristics of the trachea
1) rigid tube
2) surrounded by horseshoe shaped cartilaginous rings
3) 5 inches long
Where is the nasal cavity located
posterior to the nose
The nasal cavity ends with this and it prevents food from entering other parts of the nasal cavity?
uvula
What provides the larynx with the ability to have an open airway?
Cartilage
What structure in the larynx assist with the larynx ability to divert air and food to the proper pathway?
epiglottis
name three ways vocal cords can change the sound of your voice
volume
pitch
articulation
what warms the incoming air and traps foreign objects in the nasal cavity?
Mucosa lining
3 functions of the larynx?
1) provide open airway
2)divert air and food to the proper tube by the epiglottis
3)produce sounds
Where is the epiglottis located
pharynx- laryngopharynx
pharynx is lined with clusters of lymphatic tissue called?
tonsils
what are tonsils responsible for?
trap and remove foreign particles before entering the throat.
Where are the hard and soft plates located
between the nasal cavity & mouth
"the throat"
pharynx
what is the nasal portion of the pharynx
nasopharynx
oral portion of the pharynx
oropharynx
part of the pharynx that opens to the larynx
laryngopharynx