Answer:
produce sound when they come together and then vibrate as air passes through them during exhalation of air from the lungs. This vibration produces the sound wave for your voice. In order for the sound to be clear and not raspy or hoarse, the vocal folds must vibrate together symmetrically and regularly
Explanation:
Without a proper hair wash, bacteria can form in our hair. for some this could cause hair loss or extreme hair oils to become unmanageable
