They are called voluntary muscles because you decide when to move them. You have more than 400 voluntary muscles. The job of the cardiac muscle, or heart, is to pump blood through your body. Smooth muscles control your internal movements, such as moving food around in your intestines. These muscles are also found in the blood vessels, where they assist the flow of blood.
Smooth muscles are involuntary.
Your fingers are mostly powered by muscles in your palm and wrist . This term refers to the organs, including the trachea or windpipe, lungs, liver, gallbladder, spleen, stomach, large intestine, small intestine, and bladder, that fill your body's chest and abdominal cavity. To manufacture substances that help your body to function in various ways. Kinds of Glands Endocrine glands make hormones, which tell the different parts of your body when to work. Oil glands keep your skin from drying out.