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Welcome to InnerBody.com, your online guide to the anatomy and physiology of the human body. Study diagrams, internal organs, body parts and systems.

The mission of the Texas Heart Institute is to reduce the devastating toll of cardiovascular disease through innovative programs in research, education and improved patient care.

Groundbreaking developments in science, space, technology, health, and the environment

Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Animated Science, Health, Technology, Math, Social Studies, Arts & Music and English movies, quizzes, activity pages and school homework help for K-12 kids, aligned with state standards

CSI?s mission is clear: saving legs saves lives. By restoring blood flow in the legs, the Diamondback 360

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

A study guide to human anatomy, human physiology, anatomy and physiology, and human body systems. Included are many anatomy and physiology quizzes, tutorials, animations, and diagrams.

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical symptoms, treatments, drugs, and nutrition.