Her body is warm as every human body, with some parts with different heat as human.
You won't have a ice-block in your arms but a welcome and warm doll.
The blue zones are less warm than the red ones.  The body's temperature in the blue zones is between :  70 à 75 °F ; and in red and pink zones between : 78.8 à 89.6 °F. in bed Andy's body warm can go up to 100°F, as every human temperature.
The heat is obtained by hot wires in the internal silicone couch that make the skin. The electricity comes from an external electric power supply low tension.