Buccinator

The buccinator is a muscle located in the cheek area, playing a key role in facial movements. It helps keep the cheeks firm and taut, allowing you to blow air, suck in your cheeks, and assist with chewing by keeping food between your teeth. This muscle also helps in controlling the movement of food while you're chewing and plays a part in facial expressions like smiling or whistling. Its proper function is essential for speech, eating, and maintaining facial integrity.