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How is the nervous system organized?
The nervous system consist of the central nervous systemand the peripheral nervous system. the central nervous system consists of the brain and spinal cord and the peripheral nervous system is made up of nerves that spread throughout the body, joining all of the body parts to the central nervous system.
What has the simplest and least organized nervous system?
Flatworm
How the nervous system organized?
The nervous system consist of the central nervous systemand the peripheral nervous system. the central nervous system consists of the brain and spinal cord and the peripheral nervous system is made up of nerves that spread throughout the body, joining all of the body parts to the central nervous system.
Do all animals have complex nervous systems?
Not all animals have complex nervous systems. In fact, most lower animals don't even show an organized nervous system. Its only in higher animals like chordates that a proper organized nervous system is seen.
Which animal has the simplest and least organized nervous system?
The sponge.
Is organized into two divisions controls the involuntary actions of the body?
The peripheral nervous system is divided into two categories: autonomic and somatic systems. The autonomic system is the one that controls involuntary actions.
What organ system does the brain belong too?
The nervous system The central nervous system
How does the heart of a double pithed frog contract in an organized manner after the nervous system is destroyed?
The nervous system is part of the respiratory and circulatory system. It is the brain, spinal cord, and nerves. When the nervous system is destroyed the heart of a double pithed frog contracts in an organized manner. This is exemplified in other animals as well for instance in alligators because the nerves for some time after death continue to fire. The firing of nerves send electrical signals to the heart and therefore pump it.
Does the central nervous system consist of the somatic nervous system?
No. Nervous System is comprised of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) The PNS is comprised of the Somatic Nervous System and the Autonomic Nervous System The Autonomic Nervous System is comprised of the Sympathetic Nervous System, the Parasympathetic Nervous System and the Enteric Nervous System
What comprises the nervous system?
The Sympathetic Nervous System and the Parasympathetic Nervous System
The portion of the nervous system away from the central nervous system?
peripheral nervous system
The cranial and spinal nerves form what nervous system?
the peripheral nervous system
