What are the two main parts of the peripheral nervous system? (2024)

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What are the two main parts of the peripheral nervous system?

The two divisions of the PNS are the somatic nervous system and the autonomic nervous system. The somatic system includes the nerves that transmit motor and sensory information to and from the CNS. The autonomic system regulates automatic body functions including digestion and blood pressure.

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What are the 2 major divisions of the PNS?

The two divisions of the PNS are the somatic nervous system and the autonomic nervous system. The somatic system includes the nerves that transmit motor and sensory information to and from the CNS. The autonomic system regulates automatic body functions including digestion and blood pressure.

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What are the two main parts of the nervous system?

The nervous system is made up of the central nervous system and the peripheral nervous system:
  • The central nervous system includes the brain and spinal cord.
  • The peripheral nervous system includes the nerves that run throughout the whole body.

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What are the two neurons in the peripheral nervous system?

The somatic peripheral nervous system is a single neuron system with the motor neurons lying inside the brainstem or spinal cord and the sensory neurons lying in the dorsal root ganglia. The autonomic peripheral nervous system is a two neuron system with a neuron lying outside of the CNS in the autonomic ganglia.

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What are the two major components of the peripheral nervous system quizlet?

The peripheral nervous system is divided into two major parts: the somatic nervous system and the autonomic nervous system.

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What is the peripheral nervous system?

The peripheral nervous system is a network of nerves that runs throughout the head, neck, and body. It carries messages to and from the central nervous system (the brain and spinal cord). Together, the peripheral nervous system and the central nervous system form the nervous system.

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What are two parts of the peripheral nervous system brainly?

The somatic system is responsible for voluntary movements and responses such as sexual arousal, while the autonomic system regulates unconscious movement and impulses in organs, for example, respiration. Thus, the two parts of the peripheral nervous system are the somatic and the autonomic nervous systems.

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What are the key components of the peripheral nervous system quizlet?

The peripheral nervous system itself is divided into two parts: the somatic nervous system and the autonomic nervous system. Each of these components plays a critical role in how the peripheral nervous system operates.

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Which are part of the peripheral nervous system quizlet?

The peripheral nervous system refers to components of the nervous system that are not located in the brain or spinal cord. the peripheral nervous system (PNS) includes cranial nerves, spinal nerves, autonomic nervous system, and sensory receptors, neuromuscular junctions.

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What are the main functions of the peripheral nervous system?

The primary function of the peripheral nervous system is to connect the brain and spinal cord to the rest of the body and the external environment. The peripheral nervous system transmits information to and from the CNS.

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What are the main nerves in the peripheral nervous system?

The peripheral nervous system refers to parts of the nervous system outside the brain and spinal cord. It includes the cranial nerves, spinal nerves and their roots and branches, peripheral nerves, and neuromuscular junctions.

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What is the peripheral nervous system quizlet?

The peripheral nervous system is the entire network of nerves located outside the CNS. It extends to the top of the head, throughout the body to the tips of the fingers and toes and to all parts of the skin.

What are the two main parts of the peripheral nervous system? (2024)
What part of the peripheral nervous system controls involuntary actions?

The autonomic nervous system is a component of the peripheral nervous system that regulates involuntary physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual arousal.

What is the major function of the peripheral nervous system quizlet?

What are the two major functions of the PNS? It's two major functions are to carry information from the sensory organs and internal organs to the CNS, and to convey information between the CNS and all other parts of the body outside the brain and spinal cord.

Which part of the brain contains 80 percent of its weight?

The preponderance of the cerebral cortex (which, with its supporting structures, makes up approximately 80 percent of the brain's total volume) is actually a recent development in the course of evolution.

What is the peripheral system made up of?

The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

What does the peripheral nervous system include all except?

the brain. The peripheral nervous system (PNS) includes all of the given structures, i.e., ganglia, nerves, and touch receptors, except the brain.

Which is not a component of the peripheral nervous system?

Answer and Explanation: The correct answer is D. spinal cord. The spinal cord is part of the CNS and not the PNS.

What are the two functional divisions of the PNS quizlet?

The two functional divisions of the peripheral nervous system are the afferent division, which brings sensory information to the CNS from receptors in peripheral tissues and organs, and the efferent division, which carries motor commands from the CNS to effectors, such as muscles and glands.

What are the divisions of the PNS quizlet?

has two major divisions: the somatic nervous system and the autonomic nervous system.

Which two are divisions of the sensory nervous system?

The sensory nervous system is further divided into the somatic and visceral divisions. The somatic division carries sensory information from skin, skeletal muscle, bone, tendons, etc. The visceral division carries sensory information from smooth muscle, cardiac muscle and glands in organs.

What are the 2 divisions of the nervous system CNS & PNS?

The nervous system has two main parts:
  • The central nervous system is made up of the brain and spinal cord.
  • The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Oct 1, 2018

What are the two functional divisions of the PNS and cite their primary functions?

the two functional divisions of the peripheral nervous system are the afferent division, which brings sensory information to the CNS from receptors in peripheral tissues and organs, and the efferent division, which carries motor commands from the CNS to muscles, glands and adipose tissue.

What are the two main divisions of the nervous system called quizlet?

The nervous system is divided into two main parts: the central and the peripheral nervous system. The central nervous system can be further divided into the brain and the spinal cord.

What houses motor neurons?

The upper motor neurons originate in the cerebral cortex and travel down to the brain stem or spinal cord, while the lower motor neurons begin in the spinal cord and go on to innervate muscles and glands throughout the body.

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