A 52-year-old woman is discovered dead in her home by her son. She is lying on her right side on the floor. The body shows purple-red discoloration on the right side of the face, neck, right arm, right flank, and right leg. The left side of the body is pale. Rectal temperature is 24°C. The son reports that she was last seen alive 36 hours ago. During the autopsy, the pathologist notes that the livor mortis is fixed and non-blanching. Additionally, the pathologist observes that the body temperature is lower than expected for the ambient room temperature of 22°C. Which of the following best explains the algor mortis and the discrepancy in body cooling in this case?