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Nervous System

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Konrad Gavin

on 7 February 2013

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Transcript of Nervous System

The Nervous System By:Lyndle, Natassija, Isabel, Konrad, Max The Eyes What Is The Function Of The
Eyes? The function of the eyes is pretty basic, they allow
you to see the environment that is around you.
Who would think that such a simple function
could have such an important job! How Do The Eyes Work? The eyes work in interesting ways. They can be related to a camera, as each part that forms the eye utilizes its role to create a crystal clear vision! Your eyes take in all the information you have learned and send it through signals to the brain so it can process and develop the newly discovered information for memory. The retina is a vital part of the eye. It receives images from the eye, but instead of right-side up, it's upside down! The image is then sent to the brain, the brain then inverts the image to its proper position. Diseases Of The Eyes Cataracts
Age Related Molecular Degeneration (AMD)
Neurological Visual Impairment (NVI)
Ocular Albinism
Retinophy Of Prematurity
Coloboma Coloboma If any of these diseases are not treated quickly then they will result in temporary or even permanent loss of vision and extreme pain in the eyes. However surprising that this may sound, none of these diseases are based off of live choices, they are all genetic. What lot's of people say is that watching too much T.V will cause disease, that is not true. All that does is put strain on the eyes and cause you to have poorer vision and probably glasses. The same goes for reading in the dark or sitting in front of a bright screen in a dark room. Location Of Eyes In
The Nervous System The Ears What Is The Function Of The Ear? Yet again the function of the ear is incredibly simple yet important. All that it does is help you to hear, while that may not sound like much try imagining a world where you can't hear. Not the best is it? How Do The Ears Work? The ears are very interesting, their job is to pick up the sounds that you hear and transform them into something that the brain can understand. However unlike the other senses like taste and touch that rely on more chemical movements to relay everything that they pick up to the brain. But the ears use a completely mechanical movement meaning that it is always something moving to get the sound into the brain. What the ears do is pick up sound vibrations and do their best to keep it vibrating until the sound reaches the brain. Everything that the ear does is move it's parts around whenever it picks up sound. Diseases That Affect The Ear Cholesteatoma Cholesteatoma
Meniere's Disease
Acoustic Neuroma
Vestibular Neuritis
Swimmers Ear Location Of
The Ears What Is The Function Of The Nerves? The nerves control your actions, emotions, sight, smell, memory, Cognition, and many more functions of your body. They send a signal to your brain, telling it to do these actions. If your body didn't consist of nerves, you wouldn't even know you existed! How Do The Nerves Work? The Nerves You would think that the way that the nerves work would be very complicated but in fact it's pretty simple. The nerves pick up a feeling for example a touch. They then convert the feelings into electrons. The electrons then travel down to the brain. When it hits the brain it becomes the feeling of touch. However there are more types of nerves that do different things. There are Cranial Nerves that connect your brain to your sense organs. There are Central Nerves that connect the brain to the spinal cord. There are Peripheral Nerves that connect the spinal cord to the limbs and there are the Autonomic Nerves that connect the brain and spinal cord to the major organs. Diseases That Affect The Nerves Arthritis
Parkinson's Disease
Lou Gehrig's Disease
Alzheimers Disease Most of these diseases happen to you because of genetics but some like Arthritis happen because you don't treat your joints correctly thus causing the nerves in those joints to die giving you both pain and inability to move freely. Sciatica Nerves Are
Located Throughout
The Entire Body The Brain What Is The Function Of The Brain? The function of the brain is really important, it is
what picks up all of those electrons that the nerves
send up. It then makes sense of all of them and allows
all of the organs to serve their purpose. It is also what allows you to think and move. How Does The Brain Work? The brain works by by sending muscular patterns throughout the body and by driving secretion of chemicals called hormones throughout the body. It also works by picking up electrical patterns sent to it by the nerves and making sense of them allowing you to use your five senses. It also send electrical patterns through the nerves to the muscles and organs allowing you to move them and use them. Diseases That Affect The Brain Common Headache
Alzheimers Disease
Brain Tumors
Encephalitis Brain Tumor The only two diseases here that have anything
to do with life choices are Alzheimers and the common headache the rest are all due to genetics or bad luck. The common headache can be caused by either putting too much strenuous activity on the brain or watching too much T.V. Alzheimers is caused by a combo of genetics and the choices you make in life, not only with the brain but all other aspects of the body. Location Of The Brain
In The Nervous System The Spinal Cord Fun Facts The Brain The Eyes The Ears The Spinal Cord The Nerves Only one of these diseases have anything to
do with the choices that you make in life.
Swimmers ear is caused by having large amounts of water in your ears for long amounts
of time. What is function of the spinal cord The Spinal Cord is a cylindrical tube that runs up your back,made up of nervous tissue. The Spinal Cord connects to the back of the brain. Together they make up the central nervous system. How does the Spinal Cord work? The Spinal Cord starts at the occipital bone, which is located at the back of your skull. It then runs down your back, but not all the way. It extends to the space between the first and second lumbar vertebrae. Our spinal cord is basically the "information highway" as the brain sends information to spinal cord. It does not send the messages to the actually spine as that is different. The spine is what bends and gets you to move, such as bending over, or moving your neck. This would not happen if you broke your neck. Disease that affect the Spinal Cord The brain weighs about three pounds
There are 100,000,000,000 neurons in the brain
The brain is made up of 75% water
There are no pain receptors in the human brain
There are 100,000 miles of blood vessels in the human brain There are 107,000,000 light sensitive cells in your eyes
Of all eye diseases, 80% are completely curable
If you have blue eyes then you are a distant relative of anybody with blue eyes
Blue eyes are genetic mutation, 1000 years ago everybody had brown eyes. The ears act as balance organs, without them it would be extremely hard for you to balance while having no control over it
Ear wax should not be taken out of the ear unless it causes health problems
Q-tips should not be used as they can go deep into the ear possibly causing permanent problems The spinal cord can actually work without any help of the brain for short periods of time
Your spinal cord is 43cm long and 1cm thick
It stops growing when you hit the age of about 5
The spinal cord is just a large bundle of nerves running down your back
The point of the backbone is to both keep you standing straight and to protect your spinal cord Nerves are also called neurons
Nerves work faster then a super computer
Nerves have complete control over every single action in your entire body
There are more nerve cells in the human brain than there are stars in the Milky Way Tumors
Inflammatory diseases
Autoimmune diseases
Degenerative diseases Your spinal cord is housed inside your vertebrae,
which is basically the bone disc that made up your spine. Normally, your vertebrae will protect your spinal cord, but if it does not, this could lead to severe back pains and injury We Hope You Enjoyed!!
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