Roundworms have longitudinal muscles that helps them move. Longitudinal muscles is the same as the human esophagus, meaning it can be stretch and bend that's why roundworm can move circular or any position they want
Roundworms have longitudinal muscles that helps them move. Longitudinal muscles is the same as the human esophagus, meaning it can be stretch and bend that's why roundworm can move circular or any position they want.
