Trachea annular ligaments of trachea. The epiglottis closes the opening to the larynx during swallowing. The trachea develops in the second month of development. It is lined with an epithelium that has goblet cells which produce protective mucins (see "Respiratory epithelium"). An inflammatory condition, also involving the larynx and bronchi, called croup can result in a barking cough. A tracheotomy is often performed for ventilation in surgical operations where needed. Intubation is also carried out for the same reason by the inserting of a tube into the trachea. From 2008, operations have experimentally transplanted a windpipe grown by stem cells, and
The Body (1970 film) it had recouped its negative cost in the Far East alone. The movie was released on DVD on 7 October 2013. The Body (1970 film) The Body is a 1970 UK scientific documentary film directed and produced by Roy Battersby. In the film, external and internal cameras are used to showcase the human body. The film's narrators, Frank Finlay and Vanessa Redgrave, provide commentary that combines the knowledge of human biologists and anatomical experts. The film's soundtrack, "Music from the Body", was composed by Ron Geesin and Roger Waters, and includes songs that were made using the human body as