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
The Unknown Known for Rumsfeld, Iraq. At one point, Morris asks Rumsfeld, "Have you seen "The Fog of War"? What do you think about that?" to which Rumsfeld responds, "I hate it. That man had nothing to apologize for." Morris himself has been resistant to comparisons, stating "You can’t call this ‘"The Fog of War 2".’ I can’t imagine two individuals more unalike." The Unknown Known The Unknown Known (also known as The Unknown Known: The Life and Times of Donald Rumsfeld) is a 2013 American documentary film about the political career of former U.S. Secretary of Defense and congressman Donald Rumsfeld, directed