Anonymous
Mar 7
Nerves:- Cranial, peripheral and autonomous nervous system?
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Mar 7
The nervous system is divided into three main parts: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes all the nerves outside of the CNS.
The PNS can be further divided into the cranial nerves, which originate from the brain, and the peripheral nerves, which originate from the spinal cord. The cranial nerves are responsible for controlling various functions such as vision, hearing, and facial movements, while the peripheral nerves control movement and sensation in the rest of the body.
The autonomic nervous system (ANS) is a division of the PNS that controls involuntary functions such as heart rate, digestion, and breathing. It is further divided into the sympathetic and parasympathetic nervous systems, which work together to maintain the body's internal balance and respond to external stimuli.
The PNS can be further divided into the cranial nerves, which originate from the brain, and the peripheral nerves, which originate from the spinal cord. The cranial nerves are responsible for controlling various functions such as vision, hearing, and facial movements, while the peripheral nerves control movement and sensation in the rest of the body.
The autonomic nervous system (ANS) is a division of the PNS that controls involuntary functions such as heart rate, digestion, and breathing. It is further divided into the sympathetic and parasympathetic nervous systems, which work together to maintain the body's internal balance and respond to external stimuli.
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