Trachea to prevent swallowed matter from entering the trachea. In the fourth week of development of the human embryo as the respiratory bud grows, the trachea separates from the foregut through the formation of tracheoesophageal ridges which fuse to form the tracheoesophageal septum and this separates the future trachea from the oesophagus and divides the foregut tube into the laryngotracheal tube. Before the end of the fifth week, the trachea begins to develop from the laryngotracheal tube which develops from the laryngotracheal groove. The first part of the cephalic region of the tube forms the larynx, and the next part forms
My Name Is Jack My Name Is Jack "My Name Is Jack" is a song written by American record producer John Simon and released as a single by British group Manfred Mann in 1968. Their version reached number 8 on UK record charts. It became an international Top 10 hit, however, in the U.S., the song reached only #104. The lyrics and music were written by John Simon, and his own version was included on the soundtrack of the 1968 film "You Are What You Eat". The song tells the story of a resident of the " Greta Garbo Home for Wayward Boys and