Fill in the Blanks WormsOnline version Select the word to fill in the blanks. by Virtual School Bahamas 1 invertebrates kill blood Planarians leech waste nervous digestive Three openings Hook properly sections 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 .
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