The Illinois state sales tax rate is 6.25%, and the average IL sales tax after local surtaxes is 8.19%. Counties and cities can charge an additional local sales tax of up to 3.5%, for a maximum possible combined sales tax of 9.75%.
(clue: look up Hirschsprung's disease.) The first important step in development of the digestive system occurs during folding of the embryonic disc as neurulation takes place (weeks 4 and 5) - the thin endodermal layer is gathered up' inside the embryonic body to form a tubular structure. Gut tube, respiratory diverticulum, yolk sac, and allantois.
List the four layers (from innermost to outermost) of the gastrointestinal tract. Hormones of the GI system are produced and secreted by which of the following cells? Chyme exiting the stomach enters the: Name the third muscle layer unique to the stomach (and not elsewhere in the GI tract). The major site of digestion and absorption in the GI tract is the: The circular folds found in the small intestine that increase surface area for absorption are called: