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  #1  
Old 10-06-2005, 11:30 AM
twozeezh twozeezh is offline
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Smile brains

I was wondering if anyone knows anything about the brain besides the basics. Such as how many vessels or veins are in it? I need your help so please write back.

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Old 10-07-2005, 05:35 AM
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Red face just suggesting

is this for a project it seem quite a reasonal project to investigate. well I'm don't realy know the basics much about the brain. but you can find it in other sites ar books which I consider a bit more relible than the internet which it can give you a lot of junk sometimes.
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  #3  
Old 10-07-2005, 08:23 AM
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Default Anatomy of the human brain

[url]http://www.all-science-fair-projects.com/science_fair_projects_encyclopedia/Brain[/url]

There's a whole lot of information there on the human brain. Hope that helps! Tell me what else you need!
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Old 10-13-2005, 08:29 AM
Tamthegenious Tamthegenious is offline
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Red face Tamerlanthegenious brain theme

"I make people's life easy"here you might want to pick some info on the brains
It fits snugly within the skull, hidden from view inside of the top half of the head. Its grayish-pink bulges and grooves and fluid-filled channels and cavities are made up of billions of continuously interacting cells. Three layers of membranes completely cover its surface, which is bathed in protective fluid. Soft and delicate, it is so important to human existence that it is housed in a hard case of bone. Despite the infinite number of very simple to extremely complex actions it performs and commands, it weighs less than 3 pounds.

What is it? The brain - the most vital organ to our being and the one that makes us who we are.

How Are the Brain and Nervous System Important for Living?
The brain controls everything we do, from thoughts to speech to movement to memory. It is often likened to the central computer within a vast, complicated communication network, working at lightning speed, making myriad decisions that will affect the outcome of everything we do. Working together with the nervous system, the brain controls both the beating and the emotions of our hearts. It allows us to learn and to remember. It enables us to move our bones and muscles in complicated, yet coordinated ways. Incredibly, the brain's amazing power allows us to perform all of these things, often without any conscious effort on our part every day, even while we are asleep.

Working in tandem with the brain, the nervous system can be thought of as the special wiring that relays information back and forth from a centralized master computer. The spinal cord, which runs from the brain down through the bony spinal column, contains thread-like nerves that branch off to every part of the body. Sensory nerves carry messages from the sense organs (eyes, ears, nose, tongue, and skin) to the brain for processing. The brain then sends instructions in response through other specialized nerves to the physical parts of the body, such as the muscles, that can carry out its commands. Without the direction of the nervous system, our muscles would be useless, unable to move or coordinate their actions. We wouldn't be able to smile, blink our eyes, or use our hands or legs in any capacity - we wouldn't even be able to breathe.

Basic Anatomy
Together, the brain and spinal cord make up the central nervous system. They are covered by three layers of membranes called meninges and bathed in protective cerebrospinal fluid, which acts as a "shock absorber" to help prevent injury.

The largest part of the brain is comprised of the cerebrum, which is split into right and left hemispheres. The cerebrum controls voluntary actions, thought, speech, and memory. Most mammals have a relatively small cerebrum, but in humans it makes up most of the brain. This allows us to perform much more complicated actions than other species can.

The cortex, or "gray matter," is the outer layer of the cerebrum, made up mostly of the cell bodies of neurons, or nerve cells. Most of the brain's work of processing information is done in the folds of gray matter. This is where the blueprints are stored that contain the vital information of our intelligence, memory, personality, emotion, speech, and ability to move and function in familiar and complex ways. Nerve fibers found in the cortex's underlying white matter carry messages into the brain for additional processing. These messages are then relayed to other parts of the nervous system, which carry them out.

The midbrain, located deeper within the brain's structure, acts as a cellular switchboard, keeping the different areas of the brain communicating with one another. This is necessary for the brain to carry out its most complicated functions, because its simultaneous commands require proper routing and coordination.

The central structure of the brain contains the thalamus, hypothalamus, and pituitary gland. The thalamus carries messages from the sensory organs to the brain. The hypothalamus regulates automatic functions such as changes in pulse rate, thirst, appetite, and sexual and sleep patterns. It also regulates the pituitary gland's production of multiple hormones that play roles in growth, metabolism, fluid and mineral balance, sexual function, and the body's response to stress. Four ventricles (cavities within the brain) contain cerebrospinal fluid, which protects the brain's delicate structure, nourishes brain tissue, and carries away waste materials.

The back of the brain is divided into three parts. The cerebellum (Latin for "little brain") is located below the cerebral hemispheres and controls our ability to make coordinated and balanced motor movements. The medulla oblongata, which connects the brain to the very top of the spinal cord, controls many of the involuntary actions of our bodies, such as the regulation of heartbeat, breathing, and digestion. The pons is a specialized band of nerve fibers that links the midbrain with the medulla oblongata and acts as a high-functioning switchboard.

The spinal cord is a long shaft of tissue made up of neurons and supporting cells that is covered by meningeal membranes. Extending from the bottom of the medulla oblongata, the spinal cord is surrounded and protected by a stacked set of ring-shaped bones called the vertebrae, which together make up the spinal column. The spinal column is classified by region: cervical (neck), thoracic (rib cage/upper back), lumbar (mid-/lower back) and sacral (tailbone). Nerves branch off from the spinal cord, passing through the bony vertebrae and extending out to the organs and body parts to which they are specifically "wired." In the spaces between the vertebrae is a rubbery material called cartilage. These cartilage cushions, called spinal disks, allow flexible movement between the vertebrae so that our backs can bend and absorb shock when we run, jump, and otherwise exert ourselves.

That's all i'vegot for today... Always ready to help
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Old 10-14-2005, 04:40 AM
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thanks Tamthegenious we need more people like you thanks for your contributions keep it up... your own brain is also your own two fits that are joined together also... 'the world's most incredible computer is........ the brain. '
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  #6  
Old 10-14-2005, 04:43 AM
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I'm sure all that info must have helped you twozeezh.
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That could've caused an injury'.
But clever Isaac alone could see,
The situation's true gravity.

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Old 10-14-2005, 07:41 PM
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I agree that's a ll a very good information thanks Tamthegenious we need people like you ...
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"Things happen for a reason"
science Rocks
happy day
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"with out war we cannot appreciate peace!"

Gentle movements
of love,
The watching over from Heaven.
The eternity of love.
Wonders, Questions
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But only faith
that swirls forever around us.
Praise Lord Jesus Christ!

By Wisteria

what is the meaning of life?

more to come...
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  #8  
Old 07-30-2008, 08:36 AM
Tamthegenious Tamthegenious is offline
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Cool Thanks!

You guys are the best!
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