Development of the digestive system As a result of the cephalocaudal and lateral folding of the embryo, a portion of the endoderm-lined yolk sac cavity is incorporated into the embryo to form the primitive gut. In the cephalic and caudal parts of the embryo, the primitive gut forms a tube, the foregut and hindgut, respectively. The middle part, the midgut, remains temporally connected to the yolk sac by means of the vitelline duct. The foregut gives rise to the esophagus, the trachea, lung buds, the stomach, and the duodenum proximal to the entrance of the bile duct. In addition, the liver, pancreas, and biliary apparatus
The Most Beautiful Moment in Life, Part 1 number 20, all of which were the highest for any BTS album at the time. "The Most Beautiful Moment in Life, Part 1" was named by Fuse as one of the "27 Best Albums of 2015 So Far", with BTS being the only Korean artist to be recognized on the list. Credits adapted from the Korean Broadcasting System's approval for public broadcasting and the liner notes of the physical album. The Most Beautiful Moment in Life, Part 1 The Most Beautiful Moment in Life, Part 1 () is the third extended play by South Korean boy band BTS. The album