B. CCK is one of a number of putative satiety factors. C. Humans research indicates that we may be sensitive to gastric distention. That means she is eating on average about 300 mg more food each day. The average person ingests about 900,000-kcal year. Energy expenditure can be wasted calories as heat, or activity 2.
Energy expenditure is dynamic.
People and rats will hoard energy and some are more efficient than others. As fat accumulates, appetite is depressed A. Eating is not just for immediate energy, but is a means the body uses to build up fat. A certain level of adiposity is necessary as an energy reserve. B. Keesey proposed set-point theory. That is suggests that each of us has a biologically determine level of body weight.