Download The Nervous System The Brain The Spinal Cord

Name __________________ Date________P,eriod,_ __
BODY CONTROL AND REGULATION
The Nervous System
central nervous system
peripheral nervous system
voluntary
nervous system
vision
taste
muscles
nerves
thinking
is made up of nerve cells' that run through
The
______ carry messages to
the body to control the movement of
and from the brain to the rest of the body.' The brain and spinal cord make up
the _ _ _ __
The central nervous system controls
and _ _ _ _ _ acts.
_______, hearing,
The
is made up of all other nerves outside the
brain and spinal cord.
The Brain
three
awareness
cerebellum
muscle
muscular
thinking
heart rate
cerebrum
memory
-learning
breathing
senses
brain
voluntary
medulla
The major control center of the body is the _ _ _ _ _-.,-. The brain has _-'--_ _ _ _ major parts.
The largest part, the _ _ _- - - , controls _ _ _ _ _ _ and
_ _ _ _ _ _ _ _ _ _ _ _ , and some
controlled by the cerebrum. The
. It also controls
movements. The five
also are
keeps the body's sense of balance. It controls
_ _ _ _ _ _ activity like walking, running, and swimming and movement in fingers, hands, and arms.
The
is the smallest part of the brain. It controls the _ _ _ _ __
_ _ _ _ _ _ , and
action of the digestIve tract.
The Spinal Cord
spinal fluid
vertebrae
spinal cord
medulla
The spine is made up of a series of bones called
_ _ _ _ _ _ _ _ _ _ _ _ runs through an opening in the
vertebral canal
spine
. A thick cord of nerves called the
. The
spinal cord extends from the _ _ _ _ _ _ to the base of the
_ _ _ _ _ _ protects the spinal cord and the brain.
;. Neurons cell
axon
stimuli
neuron
nerve
dendrites
is a nerve cell that carries impulses, or signals, that travel the length ofthe neuron.
A(n)
Neurons have branches called
. Dendrites receive
. A long fiber called a(n)
_ _ _ _ _ _ extends away from the cell body of the neuron. The axon carries _ _ _ _ _ _ impulses
from the cell body to the next neuron or _ _ _ _ __
The Synapse
synapse
effectors
receptors
motor neurons
sensory neurons
always
Between the axon of one neuron and the dendrites of the next is a space called a(n) _ _ _ _ __
Impulses
travel across a synapse from the axon of one neuron to the dendrites ofthe next
. neuron. _ _ _ _ _ _ _ _ _ _ _ _ carry impulses from receptors to the central nervous system.
- - - - - - detect stimuli. _ _ _ _ _ _ _ _ _ _ _ _ carry impulses away from the central
nervous system to effectors.
are body parts that bring about reactions.
. Reflex Action
automatic
contract
interneurons
motor
stimulus
control
sensory
spinal cord
brain
reflex act
A(n) _ _ _ _ _ _ _ _ _ _ _ _ is a(n) _ _ _ _ _ _ response to a(n) _ _ _ _ _ _ . Impulses
are sent along _ _ _ _ _ _ neurons to the _ _ _ _ _ _ _ _ _ _ __
_ _ _ _ _ _ _ _ in
the spinal cord transfer impulses to _ _ _ _ _ _ _ _ neurons. Motor neurons cause muscles to
_ _ _ _ _ _ . The _ _ _ _ _ _ does not _ _ _ _ _ _ reflex acts.