2007-02-08 06:57:27 · 6 answers · asked by Earl R 1 in Health ➔ Men's Health
The size of his adam's apple, size of the vocal cords.
2007-02-08 07:01:59 · answer #1 · answered by rob1963man 5 · 0⤊ 0⤋
Testosterone.
2007-02-08 07:02:27 · answer #2 · answered by S H 6 · 0⤊ 0⤋
genetics will set a baseline. head size and sinus passage size determine resonance. testosterone will (more or less) determine pitch. they all come into play.
2007-02-08 07:55:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋
it mostly has to do with genetics, because genetics determine how much testosterone your body is goind to make, and testosterone makes your voice lower (during puberty anyway).
2007-02-08 07:29:09 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Shape of the skull and vocal chords. Nothing you can control.
2007-02-08 08:20:40 · answer #5 · answered by badgerlicious03 2 · 0⤊ 0⤋
The shape and thickness of his vocal chords.
2007-02-08 12:43:18 · answer #6 · answered by aqx99 6 · 0⤊ 0⤋