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In annelids, the nervous system consists of a centralized brain and a ventral nerve cord that runs along the length of the body. This structure is segmentally organized, with paired ganglia in each segment serving as local control centers. The nervous system facilitates coordinated movement and responses to stimuli, allowing annelids to exhibit complex behaviors. Overall, it is a well-developed system that supports their active lifestyle.
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How are earthworms and ascaris similar?
Annelids are segmented whereas roundworms are not. Annelids have a true coelom while roundworms have a pseudocoelom. Annelids have a more complex nervous system than roundworms. Annelids have a more complex circulatory system than roundworms.
The nervous system is composed of what?
The autonomic nervous system consists of two sub divisions: The sympathetic nervous system and the parasympathetic nervous system.
What nervous system that consists of the brain and spinal cord?
The central nervous system consists of the brain and spinal cord.
Nervous system what are the two nervous systems?
the central nervous system which consists of the brain and spinal cord. the peripheral nervous system which consists of nerves and ganglia (collection of nerve cell bodies outside the central nervous system). AND -peripheral. -central.
What the nervous system is?
The nervous system consists of the brain which brings throughout your body Theirs two parts of the nervous system, the cetral nervous system, and the peripheral nervous system. The central nervous system contains the brain, spinal cord, and retina. The peripheral nervous system consists of sensory neurons, clusters of neurons called ganglia, and nerves connecting them to each other and to the central nervous system.
What are the subsystems of the autonomic nervous system?
The autonomic nervous system consists of the sympathetic nervous system, which prepares the body for fight or flight responses, and the parasympathetic nervous system, which promotes rest and digestion.
What does the central nervous system consists of?
Of what does the central nervous system consist? Use proper grammar...
Where is the central nervous system formed from?
The central nervous system consists of the brain and the spinal cord
What are 3 differences crayfish have with annelids?
Crayfish, which are crustaceans, differ from annelids in several key ways: firstly, crayfish have an exoskeleton made of chitin, while annelids possess a segmented body covered by a moist cuticle. Secondly, crayfish exhibit jointed appendages for movement, whereas annelids have soft, segmented bodies with bristles (setae) for locomotion. Finally, crayfish have a complex nervous system with a brain and specialized sense organs, while annelids have a simpler nervous system with a nerve cord and ganglia.
Do annelids have a complex organ system?
Yes, annelids have a relatively complex organ system compared to other invertebrates. They have a well-developed digestive system, a closed circulatory system, a nervous system with a ventral nerve cord, and excretory organs called metanephridia. Overall, annelids exhibit a higher level of organization than simpler invertebrates.
What are two structures are part of the central nervous system?
The central nervous system consists of the brain and spinal cord.
The autonomic nervous system consists of neurons that conduct impulses from the central nervous system to what in the body?
smooth muscle
