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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.
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In surface waves the combination of transverse and longitudinal motions produce what?
In surface waves, the combination of transverse and longitudinal motions produces circular motion. This circular motion results in the characteristic rolling or swirling movement of surface waves as they propagate through a medium such as water or the Earth's crust.
What is longitudinal striations?
Longitudinal striations are parallel lines or grooves that run along the length of a structure or surface, often seen in muscles or bones. They can provide information about the direction of muscle contractions or the growth patterns of bones.
Is a water wave transverse or compressional?
A water wave is a combination of both transverse and longitudinal motion. The water particles move in a circular motion as the wave passes, which means they move both up and down (transverse) and back and forth (longitudinal) in the direction of the wave.
what is the difference between longitudinal and surface waves?
Longitudinal wave particles move parallel to the way the wave is moving. Surface wave particles move in a circular motion.
What is another name for a longitudinal a longitudinal wave?
A compression wave is another name for a longitudinal wave.
What are the two major groups of body muscles in annelids called?
Circular and Longitudinal muscles.
How are earthworms circular and longitudinal muscles used in locomotion?
When the circular muscles contract, they make the worm skinnier. When the longitudinal muslces contract, they make the worm shorter. This series of movements allows for the worm to move forward.
How are the functions of longitudinal and circular muscles in annelids different?
Longitudinal muscles in annelids run along the length of the body and are responsible for elongating and shortening the body. Circular muscles encircle the body and are responsible for making the body thinner and longer. Together, these muscles work in coordination to help annelids move and burrow through different substrates.
How do the earthworm maintain its shape?
using circular muscles or use longitudinal muscles to squeeze itself flat
What is the function of the Longitudinal muscles in the GI tract?
The circular muscle layer prevents food from traveling backward and the longitudinal layer shortens the tract. By Ah Mok
Why do some muscles appear to run in different directions?
Some muscles appear to run in different directions because that is their inclinations. The direction may be circular or longitudinal.
Why are muscles arranged in circular and longitudinal layer?
In smooth muscle these transitionally alternating muscle fibers help to serve the actions of peristalsis. As the circular fibers contract the tube (lumen) constricts and as the longitudinal fibers contract it opens up the lumen.
How does an earthworm's circular and longitudinal muscles aid in movement?
Their short bristles or hairs are a great aid to them as well as the peristalsis of their locomotion.
How does muscle coordination enable the earth worm to move?
There will be contractions and expansions of circular and longitudinal muscles passing through the segmented body
Where are muscles on an earthworms?
Earthworm have narrow bands of circular muscle fibers around their bodies and longitudinal muscles that control the length of their bodies located inside the circular muscles. These two sets of muscles, which are attached to the bristle-like setae on the outside of the body, work together to change the length and thickness of the worm so it can move.
Is the stomach muscle involuntary?
It is actually four involuntary muscles. The longitudinal layer, circular layer and oblique layer of the muscularis externa and the pyloric sphincter
What are the actions of the circular and longitudinal muscles that result in crawling?
Circular muscles contract, causing the worm to constrict and shorten its body length. Longitudinal muscles contract, causing the worm to elongate and lengthen its body. The alternating contractions of these muscles create the crawling movement in worms.
