How Does Larynx, Pharynx and CST LO 8 - Intrinsic Laryngeal Muscles Work?

The larynx, pharynx, and CST LO 8 work together like a team of friends helping you speak and swallow.

Think of your larynx as the voice box, it’s like the engine in a toy car that makes noise. Inside it are special muscles called intrinsic laryngeal muscles, which help control how tight or loose your voice box is, changing the sound of your voice.

The pharynx is like the hallway behind your mouth and nose, it helps guide food from your mouth down to your stomach, and also helps you speak by letting air move through more easily.

Now imagine CST LO 8 as a group of brain friends who send messages telling the intrinsic laryngeal muscles what to do. These messages help you make different sounds when you talk, like changing from a whisper to shouting.

When you speak, CST LO 8 sends messages down your spine and into your larynx, telling the intrinsic laryngeal muscles to tighten or relax. This changes how air moves through your voice box, making different sounds, like when you say "hello" or sing a song.

Meanwhile, the pharynx helps keep everything moving smoothly, so food goes where it should and your voice stays clear!