24 terms

nervous system

Central. peripheal, and parts of the brain
central nervous system
brain and spinal cord
peripheal nervous sytem
nerves that branch out from the brain and spinal cord and connect to sense and internal organs
nerve path for impulses traveling to and from the brain
part of the neuron which brings impulses to the cell body
part of the neuron whisch carries impulse away from the cell body
covering of the axon which keeps the electrical impulse from travelingout of the axon
sensory neuron
collects signals from receptor cells and sends them to the brain or spinal cord
connects sensory neurons and motor neurons
motor neurons
messgaes from the brain and spinal cord go to the motor neurons which are connected to muscle cells
gap between neurons
reflex action
by passes normal paths to brain and goes to the spinal cord for immediate action againist danger
sense organs
eyes, nose, skin, toungue, ears
somatic nervous system
controls voluntary action
autonomic nervous system
controls involuntary action
where voluntary activities, intelligence, learning, and judgement occur. Where attitudes, emotions, and personality are formed.
responsible for maintaining our bodies' balance and muscle coordination
part of the brain that connects to the spinal cord; controls invluntary actions such as heartbeat, blood pressure and breathing rate
controls and moves the eyes
regulates waking and sleeping
regulates body temperature and indicates wneh we need food and drink
the brains 'sensory switch board' located at top of brainstem; directs messages to the sensory receiving areas in the cortex
pituitary gland
"master gland" at the base of the brain; regulates growth and controls other endocrine glands
corpus collosum
connects the left & right hemispheres of the cerebrum
brain stem
connects the brain and spinal cord