Completar frases WormsVersión en línea Select the word to fill in the blanks. por Virtual School Bahamas 1 openings leech blood Planarians nervous digestive Three kill waste Hook invertebrates sections properly Worms are . kinds of worms are flat worms , round worms and segmented worms . Round Worms have round tube - like bodies with two body . A round worm has a system with a brain and other sense organs . worms are round worms . They are parasites . Some round worms live in animals and can pass into humans if they eat meat that is not cooked . Flatworms have a flattened body , a system and one body opening . , tapeworms and flukes are flatworms . The planarian is not a common worm . They have a triangular - shaped head and eye spots on the head . All parasitic worms lay eggs . Tapeworms lay eggs in the digestive system of the host . If these eggs burrow themselves into tissues in our brains , hearts or kidneys , they will us . Segmented Worms have bodies in . The earth worm and are segmented worms . Their bodies are in sections . The leech is a parasite which sucks . The earthworm lives in the soil . It makes the soil soft , and also enriches the soil with its which comes from the dead leaves that it eats .