A condenser is a piece of laboratory glassware used to cool hot liquids or vapors. It consists of a tube within a tube. This particular condenser is called a Vigreux column. Dennyboy34, Wikipedia Commons.
The epiglottis is a flexible flap at the superior end of the larynx in the throat. It acts as a switch between the larynx and the esophagus to permit air to enter the airway to the lungs and food to pass into the gastrointestinal tract.hroughout each day, the epiglottis spends the vast majority of its time relaxed at the superior edge of the larynx just posterior to the tongue. In this position, air is able to enter the pharynx from the nose or mouth and pass freely into the larynx and onward to the lungs.
The epiglottis is a structure found in the throat. Specifically, it's located behind the tongue and above the larynx. Elastic cartilage forms this thin, teardrop-shaped flap. A mucous membrane coats the epiglottis.The side facing the mouth is covered in cells similar to those in the rest of the mouth, whereas the backside is covered with cells resembling those of the larynx. The epiglottis is held in place by two ligaments.he esophagus delivers food to the lower digestive system whereas the larynx is the passageway for air to enter the lungs. To prevent food or drink from getting into the lungs, the epiglottis moves to cover the larynx when swallowing. This movement is accomplished by muscles reacting to contact with food or drink.