Intro nose pharynx
Digestive system
Avian Digestive System
Virtual Earthworm Dissection Images Courtesy of: gh/tippettl/biology/lum/index.html .
The Human Respiratory System Biology 314 Mr. Doron Biology 314 Mr. Doron.
Chapter 30.3: The Digestive System. Functions of the Digestive System -Ingestion -Take food into body -Digestion -Mechanical -Physical breakdown of food.
Respiratory System. Main functions: Provide oxygen to cells Eliminate carbon dioxide Works closely with cardiovascular system to accomplish gas exchange.
Pharynx & Oesophagus Head & Neck Unit – Lecture 13 د. حيدر جليل الأعسم.
