Unit 1 - Circulatory System

12-20 BPM

air comes in and nasal cavity heats and hydrates the air. 3 regions, vestibule, olfatory and respitory.

scroll like bones in the respitory region, and increase surface area of the nasall cavity

cartilage divides the nose into right and left sides

nose hairs trap and prevent entry of larger dirt particles. (True cilia have movement, nose hairs are static)

Turbinates

Pharynx

Cavities in the skull
Ducts connect sinuses to the nasal cavity
Lined with mucous membrane to warm and moisten air
Provide soundesonance to the voice
Create space inside the skull

Nasopharynx, oropharyx and laryngopharyx. About 5" long

Based off what they're behind
Ex: Nasopharynx is behind the nose