Brain
It tells your to do certain things like breathe, vibrate your vocal folds, and move your mouth.
vocal folds
These vibrate when air rushes through them from your lungs to make sounds.
eyes
These can watch your belly rise and fall when you are breathing. They help you observe people you want to talk with.
voice box
This protects the vocal folds. it rocks down and forward when you go up in pitch.
nose
It is a way for air to begin its journey to your lungs. It also helps you feel vibration when using resonant voice.
mouth
One of two paths for air to begin its journey to your lungs. Helps you form words.
lungs
They fill up with air when you breath in. You breath air out as well.
trachea
It connects the larynx to your lungs.