By Nicoladie Tam, Ph.D.
Published: August 16, 2013.
“Respiratory System” is a part of the Principles of Biology course series textbooks. It is a tutorial written in questions and answers format. It is a study guide with in-depth explanations. Each section is a modular unit that is self-contained for easy reading. The principles and concepts are introduced systematically so students can learn and retain the materials intuitively.