Children's Voices vs. Adult Voices

• Children's vocal cords vibrate at a higher frequency than adults
• Children's vocal tracts are longer, causing their voices to be higher in pitch
• Children have shorter vocal cords, producing higher-pitched sounds (correct)
• Children have stronger lung capacity, allowing them to produce higher-pitched sounds

• The longer vocal tracts in children
• The faster vibration of their vocal cords
• The smaller size of their vocal cords (correct)
• The larger lung capacity of children

• Children have the same vocal cord structure as adults
• Children have shorter and thinner vocal cords (correct)
• Children have more flexible vocal cords
• Children have longer and thicker vocal cords