Final answer:
The frontal (coronal) section is in a plane that divides the body or an organ into an anterior (front) portion and a posterior (rear) portion.
Step-by-step explanation:
The frontal plane, also known as the coronal plane, divides the body or an organ into an anterior (front) portion and a posterior (rear) portion. This plane is at right angles to the longitudinal axis of the body. It does not divide the body into left and right sections (option B), superior and inferior sections (option D), or frontal sections (option E).