47. Muscle Systems
Musculoskeletal System
0:54 minutes
Problem 17
Textbook Question
Textbook QuestionAn earthworm's body consists of a number of fluid-filled compartments, each with its own set of longitudinal and circular muscles. But in the roundworm, a single fluid-filled cavity occupies the body, and there are only longitudinal muscles that run its entire length. Predict how the movement of a roundworm would differ from the movement of an earthworm.
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