Risks. 1  Stroke. Both ET and EPT increase the risk of stroke. That risk goes away, however, soon after you stop taking hormones. 2  Blood clots. Risk increases if you take hormones by mouth. The risk may be lower if you use a transdermal estrogen, such as a patch, gel, or spray. 3  Uterine cancer.
A earthworm does not have a skeleton. It has bristles on each segment called setae that help the earthworm move. Earthworms have no limbs. The earthworm has two sets of muscles; one that makes it long and thin and one that makes it fat.t eats dirt, digesting the plant and animal matter in the dirt and then eliminates the rest. It has an esophagus for the food to go down, a crop to store the food in, a gizzard that grinds the food down, intestines for the food to pass through and take out nutrients and an anus for the food to come out.
Three types of worms with different body types will be explored in this lesson: 1  Flatworms, which have ribbon-like bodies with no body cavity. 2  Roundworms, which have a body cavity but no segments. 3  Segmented worms, which have both a body cavity and segmented bodies.haracteristics of Flatworms. There are specific differences between the flatworms and the roundworms. 1  Unlike the flatworms, the roundworms have a body cavity with internal organs. 2  A roundworm has a complete digestive system, which includes both a mouth and an anus.