[Solved] How often is data on unemployment reported? A) weekly B) monthly C) quarterly D) yearly Microscopic Structure: The detailed architecture of an object that is too small to be seen with the naked eye, often requiring a microscope for examination. Plane of Section: A specific direction through a body or structure to expose a surface for study. Sagittal: Pertaining to a plane that divides the body into right and left portions. Internal Structures: The organs, bones, and other bodily elements that exist within the body and contribute to its complex functionality.