Human physiology and anatomy are crucial topics in the biology olympiad. They typically make up around 25% of the exam. So knowing the key concepts of the human body is essential if you want to succeed in the competition. Below you will find some indispensable resources and links where you can learn human physiology and anatomy.
A free online textbook can be read at Open Stax College:
Anatomy and Physiology is a dynamic textbook for the two-semester human anatomy and physiology course for life science and allied health majors. The book is organized by body system and covers standard scope and sequence requirements. Its lucid text, strategically constructed art, career features, and links to external learning tools address the critical teaching and learning challenges in the course. The web-based version of Anatomy and Physiology also features links to surgical videos, histology, and interactive diagrams.
Anatomy and Physiology, 7/e
Rod R. Seeley, Trent D. Stephens, Philip Tate
Below you will find the Online Learning Center for Anatomy and Physiology, Seventh Edition which contains chapter-wise study guides, quizzes and more.
Some other good links are: