This anatomic division is made up of the brain and spinal cord.

This anatomic division is made up of the cranial nerves and the spinal nerves

This system is voluntary and effects the skeletal muscle.

This system is involuntary and effects the smooth muscle, cardiac muscle, and glands.

The axons are insulated and protected by a fatty layer of white matter called...

The axons that are not insulated and protected appear to have gray matter are called...

These neurons conduct impulses in the spinal cord and brain. *Takes messages to the brain and spinal cord*

These neurons carry impulses from the central nervous system to muscles and glands.

These neurons relay information within the central nervous system.

This is a fiber bundle within the peripheral nervous system.

This is a fiber bundle within the central nervous system.

These are neuron fibers that conduct impulses to the cell body.

These structures receive a stimulus that begins a neural pathway.

These are neuron fibers that conduct impulses away from the cell body.

This connective tissue layer surrounds each individual fiber.

This connective tissue layer surrounds each fascicle.

This connective tissue layer surrounds the whole nerve.

These are nonconducting cells that protect, nourish, and support neurons. *They do not conduct a nerve impulse*

This is a star-shaped cell that supports and anchors neurons. *Can act as stem cells to produce new neurons*

This a round cell with many processes that form myelin sheath around central nervous system neurons.

This is when the membrane becomes less negative and more positive ions enter the cell to neutralize the negative ions.

This when the membrane becomes more negative and positive ions leave the cell.

If the membrane potential falls below its resting value it becomes...

A stimulus causes specific channels in the membrane to open and allow sodium ions to flow into the cell. *The potassium channels are closed during this phase*

A stimulus causes specific channels in the membrane to open and allow potassium ions to leave the cell. *The sodium channels are closed during this phase*

This is the point of junction for transmitting the nerve impulse.

This a chemical signal used to help a nerve impulse cross a gap.

This is the neurotransmitter released at the neuromuscular junction. *Assists with muscular nerve impulse*

There are how many spinal nerves?

This receives nerve impulses from the central nervous system and carries out the response. *Example: The hand receives the impulse to pick up a cup.*

This system is responsible for resting and digesting.

This system is responsible for fight or flight.

This is the thickest and toughest of the meninges. *outermost protective layer*

This is the middle layer of the meninges that resembles a web-like layer.

This is the most superior and largest part of the brain. Containing both left and right hemispheres. *It is the site for conscious thought, memory, reasoning, perception, and abstract mental functions.*

This structure includes the thalamus and the hypothalamus. It sits in the center of the brain between the two hemispheres. *The thalamus sorts and redirects sensory input. The hypothalamus maintains homeostasis.*

This structure spans the region between the diencephalon and the spinal cord.*

This is the innermost layer of the nervous tissue and is attached to the nervous tissue of the brain and spinal cord.

Its located between the pons and spinal cord. *Has the centers for control of vital functions, such as respiration and heartbeat*

Its located below the posterior portion of the cerebrum. *Coordinates voluntary muscles and maintains balance and muscle tone.*

These structures are three layers of connective tissue that surround the brain and spinal cord to form a complete enclosure.

This is a clear liquid that circulates in and around the brain and spinal cord.

This lobe provides conscious control of skeletal muscles. *It contains the primary motor area*

This lobe has the primary somatosensory area where impulses from the skin, such as touch, pain, and temperature, are received.

This lobe is responsible for processing sounds.

This lobe contains the visual receiving area, which collects information from the retina such as brightness and color.

This process refers to the retention of bits of information for a few seconds or perhaps a few minutes, after which information is lost unless reinforced.

This process refers to the storage of information that can be recalled at a later time. *This is information that is more fixed, the more often a person repeats the experience.*

This system is responsible for emotional states of behavior.

These are impulses involving smell, taste, vision, and hearing.

These are impulses that involve pain, touch, temperature, deep muscle sense, pressure, and vibrations.

These impulses control skeletal muscles.

These impulses control glands, smooth muscle, and cardiac muscle.

This nerve carries impulses for the sense f smell toward the brain.

This nerve carries visual impulses from the eye to the brain.

This nerve supplies one eyeball muscle.

This nerve controls contraction of eye muscles.

This nerve carries sensory impulses from eye, upper jaw, and lower jaw toward the brain.

This nerve controls an eyeball muscle.

This nerve controls muscles of facial expression; carries sensation of taste stimulates small salivary glands and lacrimal (tear) gland.

This nerve carries sensory impulses for hearing and equilibrium from the inner ear toward the brain.

This nerve carries sensory impulses from tongue and pharynx (throat); controls swallowing muscles and stimulates the parotid salivary gland.

This nerve supplies most of the organs in the thoracic and abdominal cavities carries motor impulses to the larynx (voice box) and pharynx.

This nerve controls muscles in the neck and larynx.

This nerve controls muscles of the tongue.

The information can be carried over its corresponding spinal nerve. *The information can be used to identify the spinal nerve or spinal segment that is involved in an injury, sensation from its corresponding skin surface will be altered*

This portion of the brain houses our consciousness, awareness of the world. *It stores information (memory)*

A hormone that is released by the adrenal medulla and by the sympathetic nerves and functions as a neurotransmitter. It is also used as a drug to raise blood pressure.

A compound present in blood platelets and serum that constricts the blood vessels and acts as a neurotransmitter.

These are wrapped around the axon like a jelly roll. These are located in the parasympathetic nervous system (PNS). *They help injured neurons regenerate. They remove the damaged tissues and provide a mold (tube) to guide the extension of the new axon*

Controls the sympathetic and parasympathetic nervous system.