What are the 3 parts of the peripheral nervous system?
The PNS. The PNS comprises cranial nerves 3–12, the spinal roots, sensory and autonomic ganglia, and the somatic nerves.
What does peripheral nervous system consists of?
The peripheral nervous system consists of the nerves that branch out from the brain and spinal cord. These nerves form the communication network between the CNS and the body parts. The peripheral nervous system is further subdivided into the somatic nervous system and the autonomic nervous system.
Where is the peripheral nervous system located?
Peripheral nerves reside outside your brain and spinal cord. They relay information between your brain and the rest of your body. The peripheral nervous system is divided into two main parts: Autonomic nervous system (ANS): Controls involuntary bodily functions and regulates glands.
What is an example of the peripheral nervous system?
The peripheral nervous system includes the cranial nerves, the spinal nerves, the sympathetic nervous system, and the parasympathetic nervous system.
What are the two parts of peripheral nervous system?
The peripheral nervous system itself is divided into two parts: the somatic nervous system and the autonomic nervous system.
Are eyes part of the peripheral nervous system?
Peripheral nervous system: The portion of the nervous system that is outside the brain and spinal cord. Abbreviated PNS. The nerves in the PNS connect the central nervous system (CNS) to sensory organs, such as the eye and ear, and to other organs of the body, muscles, blood vessels, and glands.
Is the sciatic nerve part of the peripheral nervous system?
The longest human nerve is the sciatic nerve. It runs from the spinal cord in the lower back down the left leg all the way to the toes of the left foot. Like the nervous system as a whole, the peripheral nervous system also has two divisions: the sensory division and the motor division.