ANAT 216 Lecture Notes - Lecture 14: Cricoid Cartilage, Paranasal Sinuses, Thyroid Cartilage

• School: Queen's University
• Department: Anatomy and Cell Biology
• Course: ANAT 216
• Professor: Leslie W Mac Kenzie

Document Summary

Respiratory system: lecture 1 (nose to the primary bronchi) (reading material: chapter 24: pages 630-638) Extensive area for gas exchange and circulating blood. Moves air to and from exchange surfaces of the lungs. Protects respiratory surfaces from dehydration, temperature changes and other environmental. Defends respiratory system and tissues from invading pathogens. Assists in the regulation of blood volume blood pressure and control of body fluid ph. 2 functions: 1) conduit for the passage of air into and out of the lungs 2) air conducting portion conditioner- will filter, humidify and warm the air before it gets down to the alveolus respiratory portion. Begin at the level of the respiratory bronchioles all the way down to the alveoli. Upper respiratory tract nose, nasal cavity, paranasal sinuses and pharynx. Lower respiratory tract larynx, trachea, bronchi and lungs. Respiratory tract epithelium: ciliated pseudostratified columnar with goblet cells (r. t. e. )