ESTP - The Persuader. ESTPs are action-loving, here and now realists with excellent people skills. Informal, risk-taking, fast-paced and adaptable, they are not always in agreeance with rules and regulations. They are tactical problem solvers that desire quick results.
Parasitic worms are one of the largest groups of stomach parasites, and are one of the most common. Hundreds of types of worms can live in a human organism, ranging in size from the microscopic to large enough to wrap around your arm.
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.