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Which type of fiber arrangement characterizes the sphincter muscles?
Circular/Oval
Why does the oesophagus have circular and longitudinal muscles?
The circular muscles in the esophagus help with peristalsis, the wave-like contractions that push food downward. The longitudinal muscles aid in the stretching and shortening of the esophagus during swallowing. This dual muscle arrangement allows for efficient movement of food along the digestive tract.
Where are circular muscles found?
Circular Muscles are found at the openings of the body
What function does the circular muscle serve in the earthworm?
Circular muscles help in extension and narrowing of the body of the earthworm. When circular muscles contract the protractor muscles relax causing the retractor muscles to contract, thus withdrawing the setae.
What muscles are involved in gidestion?
smooth muscles(circular and longitudial)
What are the two types of muscles earthworms have?
circular muscleslongitudinal muscles
What muscles are responsible for pupil construction and dilation?
circular muscles
What happen to the shape of the earthworm when the circular muscles contract?
The segments elongate when the circular muscles contract.
What is the circular muscles that help keep urine from leaking?
Sphincter Muscles
The muscles that are found at openings of the body are collectively called?
Sphincters (circular muscles)
What is The movement of earthworms dependent on?
circular muscles
What are the two major groups of body muscles in annelids called?
Circular and Longitudinal muscles.
