The walls of this organ are composed of four layers, which are known as tunics, one of which is the serosa. The greater omentum is located below this organ's greater curvature, and it is composed of sections such as the cardia, antrum, and fundus. The cell types of this organ include chief and parietal, the later type of which secretes intrinsic factor and hydrochloric acid. It is separated from the esophagus by the cardiac sphincter and from the small intestine by the pyloric sphincter. For 10 
The walls of this organ are composed of four layers, which are known as tunics, one of which is the serosa. The greater omentum is located below this organ's greater curvature, and it is composed of sections such as the cardia, antrum, and fundus. The cell types of this organ include chief and parietal, the later type of which secretes intrinsic factor and hydrochloric acid. It is separated from the esophagus by the cardiac sphincter and from the small intestine by the pyloric sphincter. For 10 points, name this sac that stores food.
The walls of this organ are composed of four layers, which are known as tunics, one of which is the serosa.
stomach