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In which direction do the muscle fibers of a worm extend?
The muscle fibers of an earthworm run vertically along the entirety of the worm.
What muscle is worm like?
tounge
What muscles act to propel a food bolus down the length of the pharynx to the esophagus?
The muscles responsible for propelling a food bolus down the length of the pharynx to the esophagus include the pharyngeal constrictor muscles, the inferior pharyngeal constrictor muscle, and the esophageal sphincter muscles. These muscles contract in a coordinated manner to help move food through the digestive tract.
How can the worm survive without bones?
Although the worm has not bones, it does have a hydro scleten which is basicly water and it allows the worm to move by contracting muscle's.
What are main features of segmented worm?
they have 2 layers of muscle
Which of the parts of the worm's body includes in the excretory system?
An earthworm's excretory system contains pairs of integumentary, septal, and pharyngeal nephridia. Each nephridia is located in a different segment of the body.
What parts of an earthworms body are in the excretory system?
The excretory system of a worm is comprised of three pairs nephridia. Each type of nephridia, the integumentary, septal, and pharyngeal, is located in a different segment.
What involves over 22 muscle groups and includes the buccal phase and the pharyngeal-esophageal phase?
Swallowing, also known as deglutition, involves over 22 muscle groups working together to move food from the mouth to the stomach. The process includes the buccal phase, where food is chewed and mixed with saliva in the mouth, and the pharyngeal-esophageal phase, where the swallowed food moves through the pharynx and esophagus to reach the stomach.
What body part helps a worm move?
contractions like muscle
What parts of the earthworms body are including in the excretory system?
The excretory system of a worm is comprised of three pairs nephridia. Each type of nephridia, the integumentary, septal, and pharyngeal, is located in a different segment.
What is the correct spelling of the adjective for pharynx?
The correct spelling is "pharyngeal."
Is a pharynx a muscle?
The pharynx is an anatomical region that is located posterior to the oral and nasal cavities. There are muscles that make up the pharynx including the superior pharyngeal constrictor, the palatopharyngeus, stylopharyngeus and salpingopharyngeus. It's more of a muscular tube than an actual muscle.
