Underweight. The villi of the small intestines are the small structures that do the absorbing of the nutrients, so if you have less, you're more likely to be malnourished. Lack of microvilli would decrease significantly surface area, hence, logically, decrease absorption. But if u eat tons of food, you'll still get fat. fat is absorbed at other siites like large intestines too.
Either B) increased parasympathetic stimulation of the heart. OR D) Constriction of elastic arteries to maintain blood pressure. I'm leaning more towards D) constriction of elastic arteries to maintain blood pressure.
