What are the different nervous systems?

What are the 6 nervous systems?

Chapter 6 – Nervous Tissue

  • NEURON. The neuron is the structural and functional unit of the nervous system. …
  • CENTRAL NERVOUS SYSTEM. The central nervous system (CNS) consists of the brain and the spinal cord.
  • Brain. …
  • Spinal Cord. …
  • PERIPHERAL NERVOUS SYSTEM. …
  • Dorsal Root Ganglion. …
  • Sympathetic Ganglion. …
  • Parasympathetic Ganglion.

What are the different types of nervous systems and their functions?

The main 2 types of nerves are sensory nerves and motor nerves.

  • Sensory nerves also known as afferent nerves, carry impulses from sensory receptors towards the brain.
  • Motor nerves also known as efferent nerves, carry impulses away from the brain to muscles and glands.

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).

What are the 4 types of nerves?

There are three types of nerves in the body:

  • Autonomic nerves. These nerves control the involuntary or partially voluntary activities of your body, including heart rate, blood pressure, digestion, and temperature regulation.
  • Motor nerves. …
  • Sensory nerves.
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What are the 4 major functions of the nervous system?

The four main functions of the nervous system are:

  • Control of body’s internal environment to maintain ‘homeostasis’ An example of this is the regulation of body temperature. …
  • Programming of spinal cord reflexes. An example of this is the stretch reflex. …
  • Memory and learning. …
  • Voluntary control of movement.

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.

What are the top 3 common nervous system disorders?

Here are six common neurological disorders and ways to identify each one.

  1. Headaches. Headaches are one of the most common neurological disorders and can affect anyone at any age. …
  2. Epilepsy and Seizures. …
  3. Stroke. …
  4. ALS: Amyotrophic Lateral Sclerosis. …
  5. Alzheimer’s Disease and Dementia. …
  6. Parkinson’s Disease.

What are three major functions of the nervous system?

The nervous system has three broad functions: sensory input, information processing, and motor output. In the PNS, sensory receptor neurons respond to physical stimuli in our environment, like touch or temperature, and send signals that inform the CNS of the state of the body and the external environment.