There are 6 classes
-carbohydrates
-lipids(fats)
-proteins
-water
-vitamins
-minerals
sympathetic nervous system<span> can accelerate heart rate; widen bronchial passages; decrease motility (movement) of the large intestine; constrict blood vessels; </span>increase<span> peristalsis in the esophagus; cause pupillary dilation, piloerection (goose bumps) and perspiration (sweating); and raise blood pressure </span>
