Trachea the trachea. The trachea is no more than 4mm diameter during the first year of life, expanding to its adult diameter by late childhood. The trachea is more mobile and of more variable length, deeper, and smaller in children. The trachea is lined with a layer of pseudostratified ciliated columnar epithelium. The epithelium contains goblet cells, which are glandular, modified simple columnar epithelial cells that produce mucins, the main component of mucus. Mucus helps to moisten and protect the airways. Mucus lines the ciliated cells of the trachea to trap inhaled foreign particles that the cilia then waft upward toward
Body in the cylinder that it had been part of a ventilation shaft. On 13 July 1945 three small boys were playing with the cylinder. They were rolling it through the streets when one tried to see what was inside. At first they saw what appeared to be a shoe, however, on closer inspection it appeared to be part of an human skeleton. The police were called to the scene and they used an Oxy acetylene burner to cut the cylinder open. The contents were revealed to be a complete human skeleton accompanied by a number of items. The police removed the remains and