Which organ performs the given function? The roof of the mouth separates the oral cavity from the nasal cavity. The is flexible and closes off the nasal cavity when you swallow.
The soft palate is composed of muscle and connective tissue, which give it both mobility and support. This palate is very flexible. When elevated for swallowing and sucking, it completely blocks and separates the nasal cavity and nasal portion of the pharynx from the mouth and the oral part of the pharynx.