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.
KidsHealth explains that skeletal muscles are voluntary muscles and they are part of the musculoskeletal system, which is comprised of the muscles and the skeleton. The skeletal muscles work together with the bones to provide power and strength to the body.