Question

Why the voice of men ,women and children are different .Science sound?

Answer 1

because of different sizes of the vocal chords of men women and children

Answer 2

Answer:

Voice of Men,Women and chidren, are different because their vocal cords differ in size.

Men have 20mm size of vocal cords.

Women have 15mm size of vocal cords.

And a child has very short size of vocal cords.