Water is absorbed from the small intestine by osmosis following the active absorption of solutes, primarily sodium chloride. REGULATION OF GASTROINTESTINAL PROCESSES Most gastrointestinal reflexes are initiated by luminal stimuli: (a) distension, (b) osmolarity, (c) acidity, and (d) digestion products.
Popular Mechanics has an article on their site describing a prototype of a designed from scratch Mastercraft wakeboard-specific Boat called the X-Trek. The boat has a unique design and layout from normal wakeboard boats, and it will be interesting to see this boat in reality.
Personal Watercraft Operation and Regulations. A personal watercraft (PWC) is defined as a type of motorboat which is specifically designed to be operated by a person or persons sitting, standing, or kneeling ON the vessel rather than INSIDE the vessel. The term PWC includes jet skis, wet bikes, etc. Any person being towed by a PWC is considered an occupant of the PWC, and is required to wear a life jacket. Educational Requirements for Operating a PWC