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How is the nervous system of a roundworm?
The nervous system of a roundworm consists of a simple structure with a nerve ring around the pharynx and nerve cords that run along the length of the body. It includes sensory neurons, motor neurons, and interneurons that help coordinate movement and responses to the environment. The nervous system of a roundworm is relatively basic compared to more complex organisms.
What is the function of the ventral nerve cord in an earthworm?
The ventral nerve cord makes up nearly all of the nervous system in the earthworm. It goes from the anterior (front) end to the posterior (back) end. It's function is simple; it's the nerves in the worm! If dissected, the nerve cord looks like a thin white line on the ventral (belly) side on the inside of the skin.
What are the parts of earthworms nervous system?
An earthworm has a paired brain attach to it nerve cord, that flows to its ganglia. The Clitellum ( the ring or band on the worm) is were the worm senses things. An earthworm can also not feel pain.
What is the ventral side of the earthworm?
The ventral side of an earthworm refers to the underside of its body. It is the side that is typically lighter in color and is in contact with the ground as the earthworm moves. You can identify the ventral side by looking for the earthworm's central nerve cord running along its length.
What is the function of an anterior ganglia in a planarian?
The anterior ganglia in a planarian acts as the brain of the organism, controlling sensory information processing, coordination of movement, and various physiological functions. It integrates signals from the sensory organs and coordinates responses to stimuli in the environment.
How many longitudinal nerves does a planarian have?
A planarian has two longitudinal nerve cords that run along its body length. These nerve cords are connected by transverse nerves, forming a ladder-like nervous system.
Where do the small nerves go when they branch from a ganglion of the ventral nerve cord on an earthworm?
The ventral nerve cord runs throughout an earthworm's body. When they start to branch from ganglion the nerve cords are still present throughout the segments.
What does the ventral nerve cord do in a earthworm?
there is not a ventral nerve cord
Where is the pharynx located on a planarian?
The pharynx in a planarian is located on the ventral side of the body, towards the front end. It is a muscular tube-like structure that extends out of the body to help the planarian feed on prey.
Are the ventral nerve cord and ventral blood vessel connected?
no
Are the ventral nerve cord and the ventral blood vessel connected?
no
What does the ventral root of a spinal nerve do?
the ventral root carries motor response
What organisms have a ventral nerve cord?
A ventral nerve cord can be found in on the bottom (or lay on the bottom) of the organisms, such as grasshoppers and earthworms. Hope this helps! - AJ
Dorsal and ventral nerves of each spinal nerve unite to form what?
spinal nerve
What would be the result of damage to ventral root of a spinal nerve?
Would lead to loss of both sensory & motor function. Ventral ramus is the anterior division of a spinal nerve.
What type of nerve fibers are found in the ventral ramus of a spinal nerve?
The ventral ramus of a spinal nerve contains both sensory and motor nerve fibers. These fibers innervate the muscles, joints, and skin on the front part of the body.
Does the brain attach to the ventral nerve cord of a worm?
yes!
