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Response is a reaction to the stimulus
Stimulus is a specific change in the environment that affects the nervous system
Impulse is a chemical or electoral message carried out by the nerve cells
Neuron a nerve cell
Axon is a single long fiber that carries impulses away from the cell body
Central Nervous System includes the brain and spinal cord
Peripheral Nervous system is made up of the nerves that lie outside the system
regulation is the life process by which cells and organisms respond to changes within and around them
Nerve cell the basic unit of the nervous system
dendrites are branched parts of a neuron that receive impulses from other neurons or sense organs.
cell body or cyton contains the nucleus and cytoplasm
ganglia cell bodies often are present in groups
synapse between the dendrites of one neuron and the axon of another is a space
nerve is a bundle of neurons or parts of neurons
sensory neuron carries impulses to the central nervous system
motor neurons carry impulses from the central nervous system to various body parts such as muscles or glands
mixed nerves contain both sensory and motor fibers
reflex is an example of involuntary behavior
reflex arc in a reflex response nerve impulses travel in a set pathway
interneuron connects the sensory neuron with the motor neuron
cerebrum controls movements the sense speech and abstract thought
cerebllum coordinates the actions of muscles and helps maintain balance
medulla controls involuntary actions such as breathing and heart beat
glands produce hormones which are directly secreted into the blood
hormone chemical messenger
steps sensory system, interneuron and motor system
Created by: karla ludizaca