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.
The group includes species that are free-living such as planarians but also internal and external parasites such as flukes and tapeworms. The digestive system of most flatworms is relatively simple. It consists of a mouth, pharynx, and either a simple or branched intestine.nimals Invertebrates. Flatworms are divided into the following taxonomic groups: 1  Planarians and relatives (Turbellaria) - There are about 4,500 species of planarians and their relatives alive today. 2  Members of this group are mainly free-living, nonparasitic flatworms.