For centuries, the East has used ginseng for its energy boosting and healing effects. The same components that make it ideal for lifting moods and aiding in digestion make it great for the skin. Ginseng is a skin energizer. It is a great alternative for those who do not want to use caffeine in their skincare.
The type of muscle in the digestive system is smooth muscle, one of  the types of involuntary muscles. Smooth muscle found in the  urinary bladder, gallbladder, arteries, ve â¦ ins, and the digestive  tract.onfidence votes 30. flatworms have incomplete digestive systems and they present extracellular and intracellular complementary digestions. They have sac like digestive system, one opening mouth and anus. Which means they're digestive systems aren't completely grown.
Most free-living flatworms have a gastrovascular-type digestive system (a mouth is present but no anus), while parasitic forms generally have no digestive system. Flatworms have a centralized nervous system consisting of pair of cerebral ganglia and longitudinal nerve cords connected to transverse nerves.n contrast to radiate and acoelomate phyla in which the space between the body wall and the digestive tract is filled with mesoglea or with solid mesenchymal parenchyma, the remaining bilateral animals covered in the Zoo Lab website have a body cavity in which internal organs are located.