Explain briefly how and earthwarm moves
Answers
Answer:
An earthworm moves by using two different sets of muscles. Circular muscles loop around each segment, and longitudinal muscles run along the length of the body. When the circular muscles contract, the earthworm stretches, becoming longer and thinner.
Explanation:
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The earthworm's body is divided into segments. Each segment has a number of setae or very small bristles that earthworms use to help them grip the soil as they move. An earthworm moves by using two different sets of muscles. ... The earthworm uses its circular muscles to lengthen and push itself forward again.
Earthworms travel underground by the means of waves of muscular contractions which alternately shorten and lengthen the body (peristalsis). The shortened part is anchored to the surrounding soil by tiny clawlike bristles (setae) set along its segmented length.
Earthworms have a simple brain that connects with nerves from their skin and muscles. The nerves detect light, vibrations and even some tastes. The earthworm's body is covered with chemoreceptors. These are cells that allow the earthworm to taste things and are tiny sense organs which detect chemicals in the soil.
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