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An online examination of
human anatomy & physiology
Explore this site and send feedback to the creator, Scott Sheffield.
Online Essential Study Partner
This study partner helps you investigate and reinforce what you are learning from your textbook. The Essential Study Partner is a complete, interactive student study tool packed with hundreds of animations and learning activities. From quizzes to interactive diagrams, you'll find that there has never been a better study partner to ensure the mastery of core concepts.