BIOL 030 Lecture Notes - Lecture 24: Exhalation, Respiratory System, Cricoid Cartilage

13 views3 pages

Document Summary

Lower respiratory tract (larynx, trachea, bronchi (primary, secondary, tertiary, etc. Conducting portion series of airway branches that go to terminal bronchioles. Lower respiratory tract has several things involved in conducting portion. Respiratory portion gas exchange (respiratory bronchioles, alveolar ducts, alveoli) Not actually stratified because they all make contact with basement membrane. Ciliated along apical surface (acts like conveyor belt) Ala where external nares flares out (2) Nasal conchae (extension of lateral walls) (4) spaces/channels inferior to them are called nasal meati (superior, middle, inferior) increase turbulence of air. Pharynx (5) internal nares (exit of nasal cavity) Nasopharynx from internal nares to uvula just air so (pseudo- stratified ciliated columnar) Oropharynx epiglottis air and food (food is abrasion) has stratified squamous epithelium tissue. Laryngopharynx before larynx air and food stratified squamous epithelium tissue. Upper part is hyoid bone and pharynx to facilitate swallowing. Thyroid cartilage thyroid gland lies below this unpaired. Thyroid and cricoid cartilages made up of hyaline cartilage.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions