Learn about human anatomy and physiology online by downloading OpenStax's free Anatomy and Physiology 2e book and using our accompanying study guide.

This chapter begins with an overview of anatomy and physiology and a preview of the body regions and functions. It then covers the characteristics of life and how the body works to maintain stable conditions.

This free textbook is an OpenStax resource written to increase student access to high-quality, peer-reviewed learning materials.

Learn about human anatomy and physiology online by downloading OpenStax's free Anatomy and Physiology book and using our accompanying study guide.

This free textbook by OpenStax provides high-quality, peer-reviewed learning materials on human anatomy and physiology.

The Anatomy and Physiology 2e revision focuses on inclusive and equitable instruction, scientific accuracy, and enhanced instructor and student support. The improvements have been informed by …

Whereas anatomy is about structure, physiology is about function. Human physiology is the scientific study of the chemistry and physics of the structures of the body and the ways in which they work …

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Locating your book's Citation/Attribution Dropdown Menu At the bottom of every page in the online format of your book, there is a "Citation/Attribution" dropdown menu that contains pre-formatted …