What are the stages of the nervous system?

What is the order of the nervous system?

The nervous system has two great divisions: the central nervous system (CNS), which consists of the brain and the spinal cord, and the peripheral nervous system (PNS), which consists of nerves and small concentrations of gray matter called ganglia.

What is the process of the nervous system?

The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain.

What are the 5 parts of the nervous system?

The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body.

Nerves

  • Afferent, Efferent, and Mixed Nerves. …
  • Cranial Nerves. …
  • Spinal Nerves.

What are the 7 parts of the nervous system?

The central nervous system (defined as the brain and spinal cord) is usually considered to have seven basic parts: the spinal cord, the medulla, the pons, the cerebellum, the midbrain, the diencephalon, and the cerebral hemispheres (Figure 1.10; see also Figure 1.8).

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What are the 4 nervous systems?

The central nervous system is made up of the brain and spinal cord, and the peripheral nervous system is made up of the Somatic and the Autonomic nervous systems.

Autonomic Nervous System

  • The sympathetic nervous system.
  • The parasympathetic nervous system.
  • The enteric nervous system.

What is the main function of the nervous system and how is it structured?

The nervous system is involved in receiving information about the environment around us (sensation) and generating responses to that information (motor responses). The nervous system can be divided into regions that are responsible for sensation (sensory functions) and for the response (motor functions).

How many systems are in the nervous system?

Structurally, the nervous system has two components: the central nervous system and the peripheral nervous system.

What are the 6 divisions of the nervous system?

Divisions of the Nervous System

  • Cranial nervous system. These are the nerves that connect the brain to the eyes, ears, mouth, and other sensory organs of the head. …
  • Peripheral nervous system. …
  • Autonomic nervous system. …
  • Central nervous system.

What are the 6 major functional subdivisions of the nervous system?

15.4B: Subdivisions of the Nervous System

  • Central Nervous System.
  • Gray Matter and White Matter.
  • Peripheral Nervous System.
  • Autonomic and Somatic Nervous Systems.
  • Parasympathetic and Sympathetic Nervous Systems.