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Nervous System
The Brain and Divisions of the Nervous System
20
Biology
7th Grade
03/23/2011

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Term
What are the primary functions of the nervous system?
Definition
Sensory input, integration and motor input
Term
What is a neuron?
Definition
A cell that carries information through your nervous system
Term
What is a nerve impulse?
Definition
The message that a neuron carries.
Term
What is the job of a dendrite?
Definition
Carrying impulses toward the neuron's cell body.
Term
What is the role of an axon?
Definition
Carries impules away from the neurons body cell
Term
A bundle of nerve fiber is called a _________
Definition
nerve
Term
Name the 3 kinds of neurons found in the body and tell the functions for each one.
Definition
1) Sensory: Picks up a stimuli from the internal and external eviroments
2) Interneuron: Carries nerve impulses from one neuron to the other
3) Motor: Sends an impulse to a muscle or gland and they react in response
Term
Define Synapse.
Definition
The junction where one neuron can transfer an impulse to another stucture
Term
The control center of the body incudes
Definition
The brain and spinal cord
Term
The _______ is located in the skull, controls most body functions
Definition
Brain
Term
The ______ _____ is the thick column of nerve tissue that links the brain to most of the nerves in the body
Definition
Spinal Cord
Term
What is the largest part of the brain?
Definition
The Cerebrum
Term
The _____ half controls movement on the left side of the body is associated with ____________ and ______ ability
Definition
right, creativity, and artist
Term
The ____ half controls movement on the right side of the body is associated with ________ skills and _____ thinking
Definition
left, mathmatical, logical
Term
What is the 2nd largest part of the brain and what is it responsible for?
Definition
The Cerebellum and controls the coordination and balance
Term
What is between the cerebellum and the spinal cord and what does it control?
Definition
The Brain Stem and it controls involuntary actions
Term
The spinal cord is the link between your brain and the ____ _____ system
Definition
Peripheral Nervous
Term
The Spinal Cord is protected by the _____, 3 layers of _____ tissue, and a _____ fluid
Definition
Vertabal Column, Connective, Watery
Term
Consists of a network of nerves that branch out from the ____ ____ ____ and connects it to the rest of the body, and it is involved in both involuntary and voluntary actions
Definition
The Central Nervous System
Term
What is a Bruiselike injury which occurs when soft tissue in the brain collides against the skull?
Definition
A Concussion
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