: Structure and function of the skeleton, types of bones, joint connections, and the muscular system.

: Structure and function of the eyes, ears, and other sensory systems. Question Types & Structure

: Structure of the brain and spinal cord, reflex actions, and the role of hormones in body regulation.

A proper GIA-style online test should mirror the standard exam format, often divided into three parts:

: Levels of organization (cells, tissues, organs), chemical composition, and general structure of the human body.