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.
Platyhelminthes. Flatworms do not have the vase-like cavity structure of cnidarians. Instead, the cavity is more of a branching structure that runs the length of the entire body. The opening to the cavity is called the pharynx.nimals such as jellyfish, corals and flatworms have a much simpler way to handle the digestion of food, as well as the circulation of nutrients around the body. Learn about the structure and function of the gastrovascular cavity in these organisms.