Answer:
Mitochondria
Step-by-step explanation:
Mitochondria can be described as the organelle which is the powerhouse of the cell. These organelles also function to maintain homeostasis of the body. The mitochondria of a cell use up oxygen and nutrients from the body and convert them into energy and heat. The heat is used to maintain the temperature of the organs and body. Hence, the heat-generating organ would have the organelles, mitochondria, in abundance in its cells.