Heat energy is “lost” from the body through the skin, so is proportional to the area of...

Heat energy is “lost” from the body through the skin, so is proportional to the area of the skin. Heat energy is produced throughout the body as food is metabolized, muscles flex, and so on, so is proportional to the body volume. Explain why these two facts tend to make it easier for a large animal to stay warm compared with a small animal.