Health Sciences 3300A/B Study Guide - Midterm Guide: External Carotid Artery, Internal Carotid Artery, Nasal Septum

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 3300A/B
• Professor: Oleksiy Zaika

Document Summary

Topic 8 - exam terminology: organization of the respiratory system, nasal cavity & Anterior & posterior ethmoidal arteries branches follow a path of nerves - blood supply comes from the internal carotid artery and the external carotid artery. Conducting zone zone in the respiratory system that moves air in and out of the lungs. Deviated septum influences the flow of air - more goes into one lung. Dorsum nasi cartilage continuous with nasal bones to form the front of the nose. External nose the visible portion of the nose that is composed of skin, muscle, cartilage, and bone. Functional divisions made up of the conducting zone and respiratory zone. Internal nares lead from the nasal cavity into the pharynx. Inferior nasal cavity the largest nasal conchae. Internal nose the nasal cavity that is composed of the septal cartilage, vomer, and perpendicular plate of the ethmoid. Kieselbach"s area where nose bleeds primarily occur.