The heart
Smooth muscle activity is responsible for involuntary body activities and the contractility of hollow organs. Hollow organs include the bladder gastrointestinal tract blood vessels, and the uterus.
Smooth muscle is found in the hollow parts of the body, such as the walls of blood vessels, digestive organs, and airways. Smooth muscle is involuntary and responsible for functions such as moving food through the digestive system and regulating blood flow.
The cardiac muscles are present in your heart. The smooth muscle are present in your intestine and other many hollow tubes in your body. Both of them are involuntary type of muscles.
There are three types of muscles and they all form organs. There is cardiac muscle which forms the heart (an organ of the cardiovascular system), skeletal musclewhich form what are called muscles (organ that move the bones) and smooth muscle which form all hollow organs except the heart.
Smooth Muscle
Heart
The smooth muscle is used in all hollow organs.
smooth muscle
A hollow body guitar is a guitar with a hollow body in contrast to solid body guitars. They are generally lighter that solid body guitars because its body mass is reduced as a result of the addition of sound chambers.
In the bones of the body
smooth muscles are muscles of internal organs of the body specially hollow organs liike that stomach,intestine,bile duct, uterus and oviductsi smooth muscle, muscle tone is where the music is slightly tense ready and waiting to be use
Like other acoustic instruments, the hollow body resonates with the string vibrations and amplifies the sound