The essential companion for your first two years of medical school From Tao Le, author of First Aid for the USMLE Step 1 First Aid for the Basic Sciences: Organ Systems, 2eprovides you with a solid understanding of the basic sciences relative to human organ systems with which all medical students must be familiar. The second edition has been completely revised to feature a more student-friendly and approachable text, an updated high-yield rapid review section, new images, and more. Delivers comprehensive single-source coverage of the entire second year of medical school Includes important background material most other reviews leave out Covers the high-yield topics and facts tested on the USMLE Offers full-color images, learning aids, tables, and concise text to streamline your study and help you excel in coursework and on the USMLE Provides a practical framework for understanding the anatomy, physiology, pathohysiology, and pharmacology of each human organ system Mirrors the table of content of First Aid for the USMLE Step 1 to facilitate study Written by students who aced the USMLE and reviewed by top faculty