RESPIRATORY SYSTEM Flashcards
(95 cards)
2 functions of the respiratory system
ventilation & diffusion
2 divisions of the respiratory system
upper and lower respiratory tract
what comprises the upper respiratory tract?
nose, pharynx, sinuses, mouth, larynx
what comprises the lower respiratory tract
trachea, bronchi, lungs, alveoli
- Serves as the opening for the pulling of air
mouth
- Tube that delivers air from the mouth going to the trachea
pharynx
3 types of pharynx
nasopharynx, oropharynx, laryngopharynx
among the 3 types of pharynx which is most superior \?
nasopharynx
pharynx that is located to posteriorly to the mouth
oropharynx
where is the laryngopharynx located?
inferior to oropharynx
- Located inferior to the pharynx
larynx
- a hollow area between the facial bone that help regulate the temperature and humidity of the air
sinuses
what are the different types of sinuses
frontal, maxillary, ethmoid, spenoid
which sinus is the most superior?
frontal
which sinuses are the biggest & smallest?
b - maxillary, s - ethmoid
which sinus is the most posterior?
spenoid
- passage that connects the throat and the lungs
trachea
where is the trachea located?
behind the esophagus
what are alveoli?
tiny-air sacs that look like grapes
- contains almost 5,000,000 alveolus
lungs
what are the lobes of the lungs?
r - superior, middle, inferior
l - superior & inferior
what do you call the division of lungs?
fissures
- Contains all thoracic organs except lungs
mediastinum
which organ occupies most of the mediastinum?
heart