How People Produce Sound Lab

DATA AND OBSERVATIONS

First Letter	Stopped	Open
b		×
f	×
k	×
p	×
s	×
d	×
v	×
g	×
z	×
t		×

1.Is the shape of your mouth or the position of your teeth or tongue different when you pronounce a "d" than when you pronounce a "t".?
Yeah, some have teeth showing and some don't.
2.What is the difference between the sound of a "d" and the sound of a "v"? 
For "v" you are biting your lip
3.For which first-letters sounds(s) in the table do you use your lips and your voice, but not your tongue or your teeth?
Fan
4.What part of the larynx is like the strings of a guitar?
Vocal cords
5.Why are women's voices usually of a higher pitch than men's?
Because the hormones are different and your cords are lighter
6.Why, then, are the voices of young girls and boys of about the same pitch?
Because both cords are tight