The earthworms has 5 hearts By 2il Admin in Facts, Insect, weird Tags: about earthworms Did you know that the Earthworm has 5 hearts? yeah, but its not hearts, its aortic arches. This arches pump blood through the circulatory system & work as a confluence of dorsal and ventral blood vessels. Share this:TwitterFacebookLinkedInRedditTumblrPinterestLike this:Like Loading...