As a result of which the body of the earthworm can change its length and thickness?
| February 13, 2021 | education
Due to the presence of muscles. Longitudinal muscles, contracting, reduce the length of the body of the worm. Relaxing, the muscles are stretched – and the worm is stretched. Circular muscles are responsible for changing the thickness of the worm’s body: when they contract, the body of the worm contracts, and when relaxed, it expands.
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