Which area of the mind works based on the reality principle? ID Ego Superego Conscience Psychology Pleaseee help

the ego represents a person's sense of self and grasp of the outside world. the superego is the part of the mind that handles higher moral concepts, such as the concepts of right or wrong. the reality principle is based upon the tension between the id and the ego. the reality principle is a development of the ego.

not really sure sorry just trying to get points

answer; i believe its the red blood cells; plz check first good luck