Physiology is the study of how the body works. The systems of the body — including the cardiovascular, respiratory, neural, renal, endocrine, gastrointestinal and reproductive systems — are examined using approaches ranging from molecular and cellular to whole-organism levels.  It is the science of the mechanical, physical, and biochemical function of humans, and serves as the foundation of modern medicine. As a discipline, it connects science, medicine, and health, and creates a framework for understanding how the human body adapts to stresses, physical activity, and disease.


The Department of Physiology is part of the College of Medicine at the University of Arizona. It offers and participates in courses and programs of study for undergraduate, graduate, and medical students. The major in Physiology is the only undergraduate major offered through the College of Medicine.

Faculty members of the Department of Physiology maintain active research programs covering a wide range of topics with emphasis on

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Recent News

A Calmer Horse Is Just a Sniff Away
Aug 15 2018

Two years after her graduation, Isabelle Chea's undergraduate thesis on equine aromatherapy has been reborn as a published research paper in the Journal of Equine Veterinary Science.

Dr. José Ek-Vitorín Interviewed on New AZPS Podcast Produced by John Kanady
Jul 19 2018

For the inaugural episode of the Arizona Physiological Society Podcast Facets of Life, UA physiology faculy member John Kanady chats with fellow faculty member José Ek-Vitorín, MD, PhD, a research assistant professor in the Department of Physiology at the University of Arizona.

Small Changes, Large Rewards by Zoë Cohen, PhD
Jul 18 2018

Zoë Cohen, PhD, assistant professor, UA Department of Physiology, writes in the online higher education newspaper "The EvoLLLution" about how reaching out to struggling students can make a difference. She is also featured in the Chronicle of Higher Education, "How One Email from You Could Help Students Succeed."