At different times in a mares life, his food has different effects on his body. Among  children food quickly changes to the (1) p_____ to run and play games. Most of a young man's food is spent on (2) g_____ taller. We grow upwards only (3) d_____ the first twenty years of our (4)1_____. not later. Working men  get their strong (5) b_____ from their food; and if they work (6) h_____ they do not get fat. Office workers eat well and (7) s_____ skit. and they may begin to grow fat (8) w_____ they are still quite young. Many  older people try to work much and walk often. Perhaps the most (9) d_____ for a rit3 n is when he reaches : 'my and will (10) b_____ restful. without much  work of interests. This is when food changes quickly to fat..