most tinnitus is primary tinnitus where no cause can be identified aside from hearing loss secondary tinnitus is associated with a specific underlying cause that may be treatable your doctor will help you distinguish whether your tinnitus is primary or secondary
voluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.oluntary muscle. n. A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.
Cardiac muscle (Involuntary) Voluntary muscles are those that you can conciously control; for example your biceps. Involuntary muscles are controlled by your subconscious and you have no control over them such as your esophagus or stomache (smooth muscle) or your heart (cardiac muscle) Source: Modern Biology by Holt.