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Table of Contents

1.Nervous System Introduction:                 Page 1

Neurons                                                 Page 2

Neurotransmitters                                    Page 3

Peripheral Nervous System                       Page 4

Central Nervous System                           Page 5

2.The Brain:                                                         Page 6

Parts of the Brain                                    Page 7

Lobes of the Brain                                   Page 8

3.The Endocrine System:                                 Page 9

Major Glands                                          Page 10-11

4.Disorders Introduction:                               Page 12

Nervous System disorder                         Page 13

Brain Disorder                                        Page 14

Endocrine System Disorder                       Page 15

      The brain and the endocrine 

system control all actions of the body.  

It is the brains job to send 

information to all parts of the body.  

The nervous system processes 

information from the brain, other 

organs and the environment.

    Neurons have a nucleus that 

contains genes like other parts 

of the body.   There are many 

types of neuron that each have 

a different function such as 

senses or motion.   A neuron 

called a dendrite carries 

information to the cell body and 

axons take away information.

      Neurotransmitters are a 

type of chemical that carries 

information from one neuron 

to another.   There are more 

than 50 kinds of  

neurotransmitters.   Each plays 

a role in how you behave.  

Signs of diseases can occur if 

there are too many or not 

enough neurotransmitters in 

your body.

   The peripheral nervous system carries 

information between organs and your 

nervous system.   The peripheral nervous 

system is divided in to two smaller 

systems called the autonomic and 

somatic. The autonomic nervous system 

controls breathing, heart rate, tears, 

saliva and levels of oxygen and carbon 

dioxide in the blood.   The somatic 

nervous system controls the sensory 

neurons, motor neurons and reflexes. 

   The central nervous system 

includes the spinal cord and the 

brain.   The spinal cord is the main 

way for the brain and the 

peripheral nervous system to send 

and receive information to each 

other.   The spinal cord is made up 

of neurons and is protected in a 

spine of bones called the 

vertebrae.   There are thirty pairs 

of nerves that go out to all 

different parts of the body.

   The brain weighs no more than 

three pounds and has a texture like 

gelatin.   The brain is made up with 

different structures for different 

functions.   Functions such as 

language, memory and information 

processing.

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       There are three main parts of the 

brain. Hindbrain includes the brain stem, 

medulla, reticular activating system, pons 

and the cerebellum.   Midbrain includes the 

top inch of the brain stem.   Forebrain has 

the limbic system, hypothalamus, 

thalamus and cerebrum.

     The brain has four lobes.   The 

first lobe is the Frontal, which 

controls emotional reactions.   The 

Parietal lobe controls body senses, 

heat,cold and pain.   The Temporal 

lobe helps with memory, 

understanding and hearing.   The 

last lobe is the Occipital, which 

controls your vision.

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