Hmmm... let's create some "scientific " background. Those are important parts of a near-human robot, just like CPU, HDD or RAM in your computer.
Is-Sys is a self-support and self-defense system - it regulates and protects the body condition. These functions are - blink, perspiration, pain-reflexes, breathing etc... Conscious decisions can overwrite most of them ( for a while ), but they work always.
J-PS system creates the personality base. It must set properly to the robots role. ( Healer, guard, supervisor, dancer or architect ) I used the extended Myers-Briggs Type Indicator en.wikipedia.org/wiki/Myers-Br… Is short, her Myers-Briggs Type is : ESFP