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.
Part of an earthworm's excretory system is directly connected to his digestive system, as the intestines pass waste through the anus and out of the worm.This poop is called castings, and it serves as a type of plant fertilizer. However, some of the waste is picked up by excretory cells and carried outward to the skin.n earthworm has a closed circulatory system that uses vessels to send blood through its body. There are five aortic arches throughout his body that serve as pumps. The dorsal vessels take blood from the back of his body to the front, and the ventral vessels take blood the other direction, from front to back.