Methylene chloride is used as a solvent in paint strippers, as a propellant in aerosols, in the manufacture of photographic film, and as a process solvent in the manufacturing of drugs. In the research laboratory it is commonly used for extractions. It is also used as a metal cleaning and finishing solvent.
Expert: JamesStone replied 5 years ago. The trachea is reinforced with cartilage rings in order to keep the airway open. These rings reinforce the anterior and lateral sides, but are actually C shaped as opposed to complete rings which allows the trachea to constrict somewhat when swallowing food. As regards XXXXX XXXXX anatomical reason why most men have deeper voices than boys or women, it relates largely to the size of the larynx.
Click to read more below. The trachea (or windpipe) is a wide, hollow tube that connects the larynx (or voice box) to the bronchi of the lungs. It is an integral part of the bodyâs airway and has the vital function of providing air flow to and from the lungs for respiration.The trachea begins at the inferior end of the larynx in the base of the neck.t is located along the bodyâs midline, anterior to the esophagus and just deep to the skin, so that it is possible to feel the larynx through the skin of the neck. From its origin at the larynx, the trachea extends inferiorly into the thorax posterior to the sternum....