Chapter 24: Respiratory System Flashcards
Functions of RS
- air to and from lungs
- gas exchange
- regulate: BV, BP, PH
- Protection
- Sound Production
- Smell Receptors
Respiratory Epi is made of what
Psuedostratified ciliated columnar epi with goblet cells
PCCEWGC
Upper Respiratory system contains
1) Nares
2) Nasal Cavity
3) Nasal Conchae and meati
4) Paranasal sinuses
External nare made of what epi?
stratified squamous epi
Internal nare made of what epi?
respi epi
Nasal CAvity made of what epi?
respi epi
Nasal Conchae
allow mosturize
Meati
canal formed from nasal conchae
Internal nares made of what epi?
respi epi
All sinuses are lined with what epi?
respi epi
Paranasal sinuses include
1) Frontal
2) Sphenoidal
3) Ethmoidal
4) Maxillary
nasopharynx
- after internal nare ends
- respi epi
oropharynx
- shared with oral cavity
- Stratified squamous epi
laryngopharynx
- most inferior
- stratified squamous epi
Larynx
- Respi epi
- only in RS
- vocal cords
Thryoid cartilage
-contains laryngeal prominence > adams apple
Cricoid cartilage
deepest inferior to thyrod cartliage
Arytenoid cartilage
- posterior
- trangular
Corniculate cartilage
-tiny triangle superior to arytenoid cartilage
Glottis
-hole leading to trachea
Epiglottis
flaps over glottis leading down to trachea