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Nervous System Crossword

FVDC Health: Systems of the Body
Across
minimum level of stimulus needed to activate a neuron
tough layer of connective tissue surrounding a bone
the process by which organisms keep internal conditions constant despite external changes
largest part of the brain; responsible for voluntary and educated actions; divided into frontal, parietal, occipital, and temporal lobes
contained in sacs in axon terminals; released to cause stimulus in the next cell; chemicals
cells that transmit impulses
Down
second largest part of the brain; located at the back of the skull; coordinates balance and movement
control center for recognition of hunger and thirst; coordinates nervous and endocrine systems
recieves messages from sensory recptors and relays to proper part of cerebrum
short branched extensions that carry impulses towards the cell body
connective tissue wrapping the brain and spinal chord
long fiber that carries impulses away from the cell body