Cardiac muscle, found only in the heart, powers the action that pumps blood throughout the body. Its big features are endurance and consistency. Smooth muscle surrounds or is part of the internal organs. Smooth muscle is found in the digestive system, blood vessels, bladder, airways and, in a female, the uterus.keletal muscles can do a short, single contraction (twitch) or a long, sustained contraction (tetanus), and might ache after strenuous exercise. The stomach is an organ of the alimentary canal, a muscular tube that forms part of the digestive system. The wall of the stomach contains smooth muscle tissue.
In the U.S., a dried plum used to be called a prune. The California Plum Board requested a name change when research showed that prune had a negative impact. See Related Links.
Report Abuse. They're both dried fruits, but not the same fruit. Dates come from a date tree, prunes are a type of dried plum. They are both high in fiber, and if you're sensitive to the preservatives sometimes used, they will both probably get things moving when you eat quite a few.I think prunes probably work a little better, raisins too, if you eat enough...ates are soft, almost sticky and grow on the date palm. Prunes are simply dried plums. Both dates and plums are categorized as a fruit called drupe and both are said to help with constipation.