The epiglottis directs traffic. It is the flap that covers the larynx to prevent the passage of food and liquids. The glottis Also called the glottic cleft, is the space bâ¦etween the vocal folds & arytenoid cartilages of the larynx where speech takes place.    The epiglottis is the flap of cartilage covered by a membrane that  is attached to the entrance of the larynx. The glottis is part of  the larynx that is made up of the vocal cords.
The cast members of Lean on Me have been in many other movies, so use this list as a starting point to find actors or actresses that you may not be familiar with. Examples include Morgan Freeman and Mike Starr.
1,744 pages on this wiki. Lean on Me by Bill Withers is featured in Ballad, the tenth episode of Season One. It is sung by the New Directions, with solos from Artie, Mercedes and Tina.