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I. Nervous System Introduction                          page 2

    Neurons                                                     page 3

    Neurotransmitters                                        page 4

    Peripheral Nervous System                             page 5

    Central Nervous System                                page 6

II. The Brain                                                   page 7

    Parts of the Brain                                         page 8

    Lobes of the Brain                                        page 9

III.The Endocrine System                                 page 10

    Major Glands                                              page 11                    

IV.Disorders Introduction                                  page 12

    Nervous System Disorder                              page 13

    Brain Disorder                                             page 14

    Endocrine System Disorder                            page 15

The nervous system is a huge highway for 

information to travel on. It goes from the brain, 

down the spinal cord, and from there, to the rest of 

the nerves throughout the body. The nervous 

system processes all the information from inside 

and outside the body. It then determines the 

response as needed.

There are many different types of neurons, 

and each have their own function. What they 

do have in common is that they have a 

nucleus. The nucleus contains genetic 

information. Neurons are different from other 

cells because they have specialized jobs.

Neurotransmitters are chemicals released 

when a synapse between neurons occurs. The 

neurotransmitters ferry information to the next 

neuron. This then tells the neuron whether it 

should trigger another synapse or to be still.

The peripheral nervous system is in two parts: 

The autonomic nervous system, which controls 

the digestive organs and other body functions, 

and the somatic nervous system, which controls 

movement of the body. As a whole, the 

peripheral nervous system relates information 

between   organs and the nervous system.

The spinal cord and the brain make 

up the central nervous system. The 

information taken from the 

peripheral nervous system is 

processed here and sent back out 

through the body with the 

appropriate response. These 

responses vary based on the 

situation. If the brain cannot find a 

response fast enough, it can result 

in feeling stressed.

The brain is composed of two "hemispheres." 

Each hemisphere controls a different part of 

the body. The left hemisphere controls the 

right side of the body, and the right 

hemisphere controls the left. Overall, the brain 

has control over the more difficult functions, 

such as language recognition and information 

processing.

There are three parts of the brain. They are as 

follows: Hindbrain, Midbrain, and Forebrain. The 

hindbrain is responsible for most of the involuntary 

reactions. It controls the heartbeat, sneezing, and 

balance. The Midbrain is a pathway between the two 

hemispheres. The Forebrain controls your emotions, 

body temperature, and houses many of the brain's 

neurons.

The lobes of the brain are located on the 

cerebral cortex. These four lobes are 

known as frontal, parietal, occipital, and 

temporal. The frontal lobe controls 

creativity. The parietal lobe houses 

thinking. The occipital lobe controls your 

vision. The temporal lobe controls your 

hearing and and memory. Finally, the 

frontal lobe controls your creativity and 

emotions reactions. 

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