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.
The epiglottis is a flap in the back of your throat that covers your trachea when you swallow, so as to protect your lungs from food particles and liquids. Fun fact: infants â¦ have the ability to keep their epiglottis open while eating, and therefore breathe and swallow at the same time.he epiglottis is a flap in the back of your throat that covers your trachea when you swallow, so as to protect your lungs from food particles and liquids. Fun fact: infants â¦ have the ability to keep their epiglottis open while eating, and therefore breathe and swallow at the same time.