Step 1 Explain three difficult concepts. As you review the activities and the information presented in this lesson and the

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.
Your response should be a
500-word paper.