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HHB 3.1
Glossary FCs
12
Biology
Not Applicable
10/07/2025

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Term
central nervous system
Definition
brain and spinal cord
Term
peripheral nervous system
Definition
all peripheral nerves
Term
somatic nervous system
Definition
voluntary part of the peripheral nervous system
Term
autonomic nervous system
Definition
involuntary part of the peripheral nervous system that
Term
sensory neurons
Definition
take impulses from sense organs to CNS
Term
motor neurons
Definition
take impulses from CNS to muscles / glands
Term
sympathetic nervous system
Definition
fibres of the autonomic nervous system that prepare the body systems for action
Term
parasympathetic nervous system
Definition
fibres of the autonomic nervous system that prepare the body systems for rest
Term
peristalsis
Definition
involuntary muscular contractions to move food through the digestive system
Term
converging neural pathway
Definition
neural pathway where impulses from several neurons travel to one neuron
Term
diverging neural pathway
Definition
neural pathway where impulses from one neuron travels to several neurons
Term
reverberating neural pathway
Definition
neural pathway involves a loop of impulses allowing for repeated stimulation
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