Respiratory system structures Flashcards
1
Q
nasal cavity structure
A
- contains smell receptors
- projections that increase internal surface area
2
Q
pharynx structure
A
- muscular, funnel-shaped passageway called the throat
3
Q
epiglottis structure
A
- it is a flap of cartilage behind the tongue
4
Q
trachea structure
A
- lined with a mucous membrane and cells with cilia
5
Q
bronchi structure
A
- two large primary tubes coming from the trachea
6
Q
ribs structure
A
- they are bones
7
Q
intercostal muscles structure
A
- include internal and external intercostal muscles in between the ribs
8
Q
bronchioles structure
A
- very fine tubes with walls of smooth muscles
9
Q
lungs structure
A
- occupy all chest cavity except space taken by the heart
- pleural fluid holds the lungs against the inside of the chest
10
Q
diaphragm structure
A
- it is a thin skeletal muscle that separates the chest from the abdomen
11
Q
alveoli structure
A
- thin-walled, tiny air sacs which make up the lungs and occur in clusters
12
Q
pleura structure
A
- two thin layers of tissue
13
Q
simple squamous epithelium structure
A
- lining blood vessels
- called endothelium
- flattened cells with central oval nuclei
