Athletes actively training and competing lose water and electrolytes by sweating, and expending energy. Skeletal muscles begin to shake in small movements, creating warmth by expending energy. In contrast, homeotherms regulate their internal body temperature by expending metabolic energy. Godzilla is provoked into expending its atomic breath and energy against American drones. During the Silurian, was readily available, so little water needed expending to acquire it. Many space launch providers are expending capital to develop new lower-cost reusable spaceflight technologies. After each performance, to avoid expending powder and bullets, Soo never unloaded his guns properly. In this case, an "expense" is the "expending" of an asset. Raphael, expending much of his strength. From its beginning to December 1876, the canal earned $35,659,055 in revenue, while expending $35,746,301.