Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Central Nervous System
|
The part of the nervous system consisting of the brain and spinal cord.
|
|
|
Peripheral Nervous System
|
The part of the nervous system composed of the spinal and cranial nerves.
|
|
|
Somatic Nervous System
|
The subdivision of the peripheral nervous system that connects the central nervous system to the skeletal muscles and skin.
|
|
|
Autonomic Nervous System
|
The subdivision of the peripheral nervous system that controls the body's involuntary motor responses.
|
|
|
Sympathetic Division
|
The subdivision of the autonomic nervous system that deals with emergency response and the mobilization of energy.
|
|
|
Parasympathetic Division
|
The subdivision of the autonomic nervous system that monitors the routine operation of the body's internal functions and conserves and restores body energy.
|
|
|
Neuron
|
A cell in the nervouse system specialized to receive, process, and/or transmit information to other cells.
|
|
|
Dendrites
|
The branched fibers of neurons that recevie incoming signals.
|
|
|
Soma
|
The cell body of a neuron, containing the nucleus and cytoplasm.
|
|
|
Axon
|
The extended fiber of a neuron through which nerve impulses travel from the soma to the terminal buttons.
|
|
|
Motor Neurons
|
The neurons that carry messages away from the central nervous system toward the muscles and glands.
|
|
|
Synapse
|
The gap between one neuron and another.
|
|
|
Synaptic Transmission
|
The relaying information from one neuron to another across the synaptic gap.
|
|
|
Neurotransmitters
|
The chemical messengers released from neurons that cross the synapse from one neuron to another, stimulating the postsynaptic neuron.
|
|
|
Ion
|
Electrically charged particles.
|
