A prepositional phrase is comprised of two parts, a preposition and an object of the preposition. Together, they form the prepositional phrase that is then inserted in a sentence to modify some noun or verb.
The epiglottis is a flap made of elastic cartilage tissue covered with a mucous membrane, attached to the entrance of the larynx. It projects obliquely upwards behind the tongue and the hyoid bone, pointing dorsally. It stands open during breathing, allowing air into the larynx.
AnswerThe epiglottis is actually a flap of connective tissue that is made of elastic cartilage at the base of the tongue. It points upward except when solids and liquids pass from the oral cavity into the esophagus.he epiglottis is a little flap of mucus covered tissue that is attached to the root of the tongue. It is not the uvula (aka: the hang down thing in your mouth).