When conditions heat up, camels can increase their own body temperature, which prevents sweating and therefore water loss. Camels can tolerate a 40 percent loss in body mass when food and water are scarce, an amazing feat when one considers that a 15 percent loss would kill most other mammals. Their thick fur insulates them from the heat as well as the cold.” The fat they store in their hump(s), help them cope for long treks without food. Read more on Discovery.