digestive system

select the correct answer. Upper GI Tract. Lower GI Tract.

is the anterior portion of the palate; this area is covered with specialized mucous membrane.

is the flexible porterior portion of the palate; during swallowing, it has the important role of closing off the nasal passage.

is the third part, and is hangs from the free edge of the soft palate.

describes the structures that surround, support, and are attached to the teeth.

also know as masticatory mucosa or the gums, is the specialized mucous menbrane that covers the bone of the dental arches and surrounding saliva.