It’s noon on a hot summer day, the sun is directly overhead, and a group of sunbathers roasts on the beach. What mechanism causes their body temperature to increase? Several of the sunbathers jump into the cool water. What mechanisms decrease their body temperature?
2. Mark is training for a marathon. He has heard that eating lots of pasta, bread, and rice will help his performance. Would this diet be of any benefit to Mark in his quest to run the marathon?