Human digestive system swallowing and vomiting to prevent the contents of the stomach from entering the esophagus. As the esophagus does not have the same protection from acid as the stomach, any failure of this sphincter can lead to heartburn. The esophagus has a mucous membrane of epithelium which has a protective function as well as providing a smooth surface for the passage of food. Due to the high volume of food that is passed over time, this membrane is continuously renewed. The diaphragm is an important part of the body's digestive system. The muscular diaphragm separates the thoracic cavity from the abdominal
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