The Brain & # 8211 ; Covering All Parts- Essay, Research Paper
The Brain & # 8211 ; Covering All Parts-
The human organic structure is divided into many different parts called
variety meats. All of the parts are controlled by an organ called the encephalon,
which is located in the caput. The encephalon weighs about 2.75 lbs, and
has a whitish-pink visual aspect. The encephalon is made up of many cells,
and is the control Centre of the organic structure. The encephalon flashes messages out
to all the other parts of the organic structure. The messages travel in really all right
togss called nervousnesss. The nervousnesss and the encephalon make up a system
slightly like telephone poles transporting wires across the metropolis. This is
called the nervous system.
The nervousnesss in the organic structure don & # 8217 ; t merely direct messages from the encephalon
to the variety meats, but besides send messages from the eyes, ears, tegument and
other variety meats back to your encephalon. Some nervousnesss are linked straight to
the encephalon. Others have to make the encephalon through a kind of power
line down the dorsum, called the spinal cord. The encephalon and spinal cord
do up the cardinal nervous system.
The encephalon doesn & # 8217 ; t merely command your variety meats, but besides can believe
and retrieve. That portion of the encephalon is called the head.
Protecting THE BRAIN
Twenty-eight castanetss make up the skull. Eight of these castanetss
are meshing home bases. These home bases form the braincase. The braincase
provides maximal protection with minimal weight, the ideal
combination. The other 20 castanetss make up the face, jaw and other
parts of the skull.
Another manner the encephalon keeps it self safe is by maintaining itself
in liquid. About one fifth of the blood pumped by the bosom is sent
to the encephalon. The encephalon so sends the blood through an intricate
web of blood vass to where the blood is needed. Specialized
blood vass called choroid plexuses produce a protective
cerebrospinal fluid. This fluid is what the encephalon literally floats
A 3rd protective step taken by the encephalon is called the
blood encephalon barrier. This barrier consists of a web of unique
capillaries. These capillaries are filters for harmful chemicals
carried by the blood, but do let O, H2O and glucose to come in
THE DIFFERENT SECTIONS OF THE BRAIN
The encephalon is divided into three chief subdivisions. The country at
the forepart of the encephalon is the largest. Most of it is known as the
cerebrum. It controls all of the motions that you have to believe
about, idea and memory. The cerebrum is split in two different
subdivisions, the right half and the left half.
The outer bed of the cerebrum is called the cerebral mantle. It is
chiefly made up of cell organic structures of nerve cells called gray affair. Most
of the work the encephalon does is done in the cerebral mantle. It is really wrinkly
and has many creases. The furrows and creases give the cerebral mantle a big
surface country, even though it is squeezed up to suit in the skull.
The excess surface country gives the cerebrum more country to work.
Inside the cerebral mantle, the cerebrum is mostly made up of white affair.
White affair is tissue made merely of nervus fibers.
The in-between part is deep inside the encephalon. It & # 8217 ; s head
intent is to link the forepart and the dorsum of the encephalon together.
It acts as a & # 8220 ; switchboard & # 8221 ; , maintaining the parts of your encephalon in touch
with each other.
The back country of the encephalon is divided into three different
parts. The Ponss is a set of nervus fibers which link the dorsum of the
encephalon to the center. The cerebellum sees to it that all the parts of
your organic structure work as a squad. It besides makes certain you maintain your balance.
them to the two encephalon hemispheres. The thalamus is located in between
above the lower encephalon and under the two hemispheres.
THE DIFFERENT SECTIONS OF THE BRAIN:
Most of the above mentioned parts of the encephalon were produced
early in development but the higher mammals particularly worlds went on to
bring forth a kind of & # 8220 ; believing cap & # 8221 ; on top of these parts. This
& # 8220 ; believing cap & # 8221 ; was divided into two different parts, the left
hemisphere and the right hemisphere.
If the left side of your encephalon is more developed like most
people & # 8217 ; s are, you are right handed. On the other manus if the right
side of your encephalon is more developed, so you will be left handed.
The right side of your encephalon is more artistic and emotional piece
the left side of your encephalon is your & # 8220 ; common sense & # 8221 ; and practical side,
such as calculating out math and logic jobs.
One of the most of import portion of the Human encephalon is the
cerebellum. The cerebellum is involved with the more complex
maps of the encephalon and sometimes is even referred to as & # 8220 ; the encephalon
within the encephalon & # 8221 ; . The cerebellum acts as a control and coordination
Centre for motion.
The cerebellum carries little & # 8220 ; plans & # 8221 ; that have been
antecedently learned. For illustration, how to compose, travel, run and leap are
all antecedently learned activities that the encephalon recorded and can
playback when needed. Every clip you pattern, the encephalon rewrites the
plan and makes it better.
You may hold heard the stating & # 8220 ; pattern makes perfect & # 8221 ; . Well
this stating is non wholly true ; another manner of & # 8220 ; practising & # 8221 ; is merely
to conceive of what you wish to make. Since the cerebellum can & # 8217 ; t really
feel, it will believe that you are making what your imagining and respond
by rewriting it & # 8217 ; s old plan and transporting out any other actions
needed for that map. This is one why to explicate wet dreams.
THE CEREBRAL CORTEX:
The intellectual cerebral mantle makes up the top of the two hemispheres of
the encephalon. The cerebral mantle is a sheet of gray affair which produces our
ideas, linguistic communication and programs. It besides controls our esthesiss and
voluntary motions, shops our memories and gives us the ability to
imagine, in short it & # 8217 ; s what makes worlds, worlds.
IN THE FUTURE
Today many experiments are being conducted that may
through & # 8217 ; s for the hereafter. For case & # 8220 ; encephalon grafting & # 8221 ; is one
process that may be used in the hereafter. Brain grafting is to
graft a really thin bed of encephalon tegument from one individual to another.
This would ensue in control of Parkinson & # 8217 ; s disease and other ictus
Another extremist thought that has already been successfully been
tried on Macaca mulatta monkey & # 8217 ; s is, encephalon grafts. The moralss and legal
jobs for such a graft would likely ne’er allow this operation
be performed on worlds. This is because the individual would non be the
same, would non hold the same memories or the same abilities that the
host organic structure had had.
The last thought of the hereafter that we will name is called
& # 8220 ; unreal hearing and seeing & # 8221 ; . Artificial visual perception is achieved by
seting 64 little electrodes in forepart of the ocular cerebral mantle of
the encephalon. The electrodes are connected to a little camera that is
some where on the individual & # 8217 ; s ear. A computing machine is attached to the camera.
The computing machine sends the images from the camera straight to the
implanted electrodes. They flash as the image from the camera, therefore
enabling the individual to somewhat see.
Artificial hearing is much more complicated so unreal
seeing. First a electrodes must be planted in the encephalon. Then
through a mike a computing machine produces electrical pulsations that are
so sent to the electrodes in the encephalon.
But as of yet these processs are non practical foremost because
of the size of the computing machine, it can non be taken out of the research lab
back the cost of the bundle and 3rd the hazards involved.
After all of the work and research that we have done it is
really apparent to us that the encephalon is one of the most fantastic variety meats
that worlds could hold. It guides us through about every second of
our life. Even after researching huge and distant sky & # 8217 ; s to the
micro-organisms that exist today, the encephalon has ne’er ceased to astonish
us and likely ne’er will.
1. The Brain and Nervous System by Lambert, Mark
right of first publication Macmillan Education, 1988
2. The Brain and Nervous System by Parker, Steve
right of first publication Franklin Watts, 1990
3. Encyclopedia Britannica by Britannica, Encyclopedia Inc.
copyright Encyclopedia Britannica Inc. , 1986
4. The Incredible Machine by Geographic, National Society
right of first publication Geographic, National Society, 1992
unreal hearing: When a individual is able to hear but non of course.
unreal visual perception: When a individual is able to see but non of course.
blood encephalon barrier: A set of particular capillaries that are merely found
in encephalon. There purpose is to filtrate the blood so merely O,
glucose and H2O are able to come in the encephalon. Unfortuantly they
Don & # 8217 ; t prevent narcotics from come ining the encephalon.
encephalon: An organ that is pinkish-white in visual aspect and is located in
the skull. This organ controls about everything that the organic structure does.
encephalon grafting: Brain grafting is the procedure of taking a thin bed
of encephalon tegument from the giver and traveling to new host.
brain-stem: This is what the encephalon had used to be early development, but
now it merely controls our basic maps such as external respiration and bosom
capillaries: Tiny blood vass.
cells: What all living thing are built from.
cardinal nervous system: This the encephalon and spinal cord put together.
Besides see: encephalon, spinal cord.
cerebellum: This portion of the encephalon makes certain that all of your organic structure
works together. It besides keeps your balance.
intellectual cerebral mantle: This is one of the most of import parts of the
encephalon. It besides is produces our ideas, shops our memories, and
cerebrospinal fluid: This what the encephalon floats in.
cerebrum: The cerebrum is split in to two different sides. Left and
right. It is located at the forepart of the caput.
choroid retes: These particular blood vass are what produce the
cerebral mantle: This is the outer bed of the cerebrum.
braincase: This is the portion of the skull that holds the encephalon.
diseases: Illnesses that can be terminal.
electrodes: They are made out metal and emit electricity, normally
glucose: This is a combination of sugar and H2O.
gray affair: Chiefly made from the cell organic structures of nerve cells.
hemisphere: These are the two different portion of the cerebrum. Almost
all of the encephalon & # 8217 ; s work is done at that place.
endocrines: Chemicals that can alter the chemical make up of your
physical organic structure.
hypothalmus: This portion of the encephalon is located above the brain-stem.
It controls basic thrusts such as hungriness and sex.
myelin: The myelin is about right behind the brain-stem. It helps
you to digest your nutrient.
head: Not merely the encephalon but the existent consciousness that we have.
nervousnesss: Nerve pathwaies that the encephalon uses to direct messages to and from
different parts of the organic structure.
nervous system: The whole system of nervousnesss that attach to the spinal
variety meats: Important portion of the organic structure. The encephalon, bosom and lungs are
illustrations of variety meats.
Parkinson & # 8217 ; s Disease: This disease causes the victim to hold ictuss.
hypophysis: The pituitary green goodss endocrines.
Ponss: A set of nervus fiber that connect the back the encephalon to the
skull: The skull is made up of 28 castanetss. It is located
above the spinal cord. It besides contains the encephalon.
spinal cord: This cord goes down your dorsum. Almost all nervousnesss in the
organic structure are connected to the spinal cord.
thalamus: The thalamus a kind of relay room. It gets messages from
the lower encephalon country and sends them to the higher encephalon.
graft: To transfer is to take something from one individual and
set it into another individual.
white affair: White affair is tissue made from nervus fibers.