
Compare the following:
Central neural system (CNS) and Peripheral neural system (PNS)
Answer
477.9k+ views
Hint: The central apprehensive gadget incorporates the intelligence and the spinal cord. Altogether, it features as a command station. The peripheral nervous gadget includes the nerves, which go away the brain and the spinal twine and tour to positive areas of the body.
Complete answer:
The human nervous device is a tricky machine of connecting neurons and associated cells. The frightened system approves us to think, breathe and feel. Scientists categorize the worried device into two foremost parts:
the central neural system (CNS) and the peripheral neural system (PNS). These components of the frightened machine range in their constructions and physiological functions.
The CNS is made up of the brain and spinal cord, whilst the PNS includes all different neural tissue. All sensory receptors, sensory neurons and motor neurons are sections of the PNS. The bones of the skull and spinal vertebrae encase all CNS neurons. Neurons in the PNS are not encased in bones; rather, they tour through or lie on the pinnacle of muscle, organ and pores and skin tissue. Groups of neurons form in both the CNS and the PNS. In the CNS, a group of neurons is termed as a nucleus.
In the PNS, a group of cell bodies is termed as a ganglion, while a bundle of neuron tracts is termed as a nerve. The primary purpose of the CNS is to organize and they process information. Nervous system impulses run to and from the brain with the help of the spinal cord.
Different areas of the brain perceive sensory and motor information, allowing us to show and react to our environment. The central and major purpose of the PNS is to follow the commands of the CNS.
Neurons in the PNS collect sensory information from the environment and relay it to the CNS. After the CNS processes the information, the PNS shows some reactions to its commands by changing motor output.
The brain and spinal cord are categorised by their general purposes. For example, the brain is made up of the cerebrum, diencephalon, midbrain and hindbrain. Each brain region plays a specific set of tasks.
The PNS is categorised into the somatic nervous system and the autonomic nervous system. The somatic nervous system is composed of consciously controlled nerves that gets sensory information and provides motor commands. The autonomic nervous system functions without conscious Commands from the brain. It monitors and is use to control heart rate, digestive activity, breathing, salivation and sexual arousal.
Note: Neurons get signals in a short antennae-like part termed as the dendrite, and send signals to other neurons with a long cable-like part termed as the axon. An axon can be up to a meter long and transmits signal both chemically and electrically.
Complete answer:
The human nervous device is a tricky machine of connecting neurons and associated cells. The frightened system approves us to think, breathe and feel. Scientists categorize the worried device into two foremost parts:
the central neural system (CNS) and the peripheral neural system (PNS). These components of the frightened machine range in their constructions and physiological functions.
The CNS is made up of the brain and spinal cord, whilst the PNS includes all different neural tissue. All sensory receptors, sensory neurons and motor neurons are sections of the PNS. The bones of the skull and spinal vertebrae encase all CNS neurons. Neurons in the PNS are not encased in bones; rather, they tour through or lie on the pinnacle of muscle, organ and pores and skin tissue. Groups of neurons form in both the CNS and the PNS. In the CNS, a group of neurons is termed as a nucleus.
In the PNS, a group of cell bodies is termed as a ganglion, while a bundle of neuron tracts is termed as a nerve. The primary purpose of the CNS is to organize and they process information. Nervous system impulses run to and from the brain with the help of the spinal cord.
Different areas of the brain perceive sensory and motor information, allowing us to show and react to our environment. The central and major purpose of the PNS is to follow the commands of the CNS.
Neurons in the PNS collect sensory information from the environment and relay it to the CNS. After the CNS processes the information, the PNS shows some reactions to its commands by changing motor output.
The brain and spinal cord are categorised by their general purposes. For example, the brain is made up of the cerebrum, diencephalon, midbrain and hindbrain. Each brain region plays a specific set of tasks.
The PNS is categorised into the somatic nervous system and the autonomic nervous system. The somatic nervous system is composed of consciously controlled nerves that gets sensory information and provides motor commands. The autonomic nervous system functions without conscious Commands from the brain. It monitors and is use to control heart rate, digestive activity, breathing, salivation and sexual arousal.
Note: Neurons get signals in a short antennae-like part termed as the dendrite, and send signals to other neurons with a long cable-like part termed as the axon. An axon can be up to a meter long and transmits signal both chemically and electrically.
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