Upper Respiratory Tract consists of what?
The nose, the pharynx and the larynx
Lower respiratory tract consists of what?
Trachea, bronchi and alveoli, the lungs and thoracic cavity
Naris function?
opening that allows air to enter
Cilia function?
Filters particles
Mucous membranes function?
Warm and moisten air and further filter particles
Sensory function description?
detects odors that may indicate dangerous substances
Pharynx consists of what?
Nasopharynx, oropharynx and laryngopharynx
Nasopharynx goes from where to where?
from posterior naris to soft palate
Oropharynx goes from where to where?
from soft palae to hyoid bone
Laryngopharynx goes from where to where?
from hyoid bone to esophagus
Larynx consists of what?
vestibular folds, vocal folds, and epiglottis
Larynx goes from where to where?
root of tongue to upper end of trachea
Another name for vestibular folds?
false vocal cords
Another name for vocal folds/cords?
voice box
Epiglottis function?
cartilage that moves up and down during swallowing, prevents food or liquids from entering trachea
Vibration of vocal cords upon ___________ create vocal sounds
Trachea goes from where to where?
from larynx to primary bronchi
What prevents collapse of the trachea between inhalation and exhalation
cartilage on the front portion
Trachea branches into what?
primary bronchi at carina
Left bronchi is more _________ than the right bronchi?
______________ affects right lung more than left
Secondary bronchi branch off after __________ __________ enter the lungs
primary bronchi
Secondary bronchi further branch into ____________?
bronchioles – tree like structures
Respiratory bronchioles AKA
terminal bronchi
Respiratory bronchioles are where _________ end?
Alveoli are located where?
at ends of bronchioles
What takes place in the alveoli?
gas exchange
Respiratory membrane is where _________ and _________ come together?
capillaries and alveoli
Alveoli surface area is equal to what?
size of a tennis court if laid flat
Increased __________ _______ provides better exchange of gases?
surface area
Base of the lungs rests on what?
Top of lungs
Right lung has how many lobes?
Left lung has how many lobes?
Lingula is a structure on the ______ lung?
Thoracic cavity consists of what?
Parietal pleura, visceral pleura and pleural space
Parietal pleura does what?
lines thoracic cavity
Vsceral pleura does what?
Encases each lung
Pleural space is located where?
Between parietal and visceral pleura
Parietal space contains what?
fluid to prvent friction during respiration