Respiratory System Anatomy and Physiology Objectives Identify the anatomical structures of the respiratory system and their functions Explain the mechanics of breathing Explain internal and external respiration Assignment Overview This practice exercise helps students understand the anatomical structures of the respiratory system. Deliverables A one- to two-page ( 500 minimum word) paper Step 1 Explain three difficult concepts. As you review the activities and the information presented in this lesson and the textbook, identify the three most difficult concepts (or parts of a concept) in respiratory anatomy and respiration for most anatomy and physiology students. Select one difficult concept from each of these topic areas: Anatomy of the Respiratory System Mechanics of Breathing Respiration Step 2 Write an explanation of each concept. Write a clear one-paragraph explanation of each of these three concepts. Use images from the Internet or those that you scan into the document, if possible. Limit your response to a one- to two-page (500 minimum word) paper. Step 3 Save and submit your assignment. When you have completed the assignment, save a copy for yourself in an easily accessible place and submit a copy to your instructor using the dropbox. The following online links are for practice only, the latest versions of Adobe Shockwave & Flash are required to open: Anatomy of the Respiratory System  &  Gas Transport Purchase this Tutorial.