Roundworms

Roundworms have bodies that are more complex than the bodies of a flatworm. Did you know that roundworms are parasites?One type of roundworm lives in pigs.I think it is pretty weird, don't you?  Did you know that a round worm has two opening instead of one?  Round worms are not like worms because worms don't live in pigs and they live in the ground.  I think it is pretty wierd but also cool.  I think it is pretty wierd because roundworms live in pigs but I think it is also cool because I didn't know that there was another kind of worm.