Nutrition leads to Academic Success and better life. All of us have an amazing gift‚ have you ever considered how incredible the human body is? Just look at what the brain is capable of doing and how it deals with our daily classroom requirements. Our brain needs several very important ingredients to make it more efficient with our academic success. Shockingly‚ fats are critical‚ our brains need good fats. We also need proteins‚ carbohydrates and water. These ingredients are really necessary
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Huntington’s Disease Haley Hamilton January 4th‚ 2017 Honors Biology 3&4 The World in the eyes of everyday people do not see what awful things that are taking place in those around them. Huntington’s disease is a fatal illness in which those who develop this have no chance of survival. The disease deteriorates one’s ability to function properly and their way of living. Not only does the disease harm the sufferer but it also affects the people around them as well‚ too. For‚ these people are
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neurolemmacytes b. astrocytes c. oligodendrocytes d. neurons 2. The portion of the nervous system concerned with afferent input from skeletal muscle is: a. visceral sensory b. somatic motor c. somatosensory d. propriosensory 3 Light adaptation of the eye occurs due to: a .a decrease in the active photo pigment b. an increase in active photopigment c. a shift to using rod cells d. a shift to using cone cells. e both b and c 4. A Na+/ K+ ATPase on a neuron membrane acts to: a. create ion gradients
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Nervous System Made up of neurons‚ which are the nerve cells. These send electrical impulses to one another ( through a process known as firing) telling the body what to do. The parts of a neuron include: Cell Body (a.k.a. soma) – Main part of neuron; contains basic cell parts such as nucleus‚ ER‚ etc.; also has dendrites extending from it. Dendrites – bushy fibers which extend from the soma; receives impulses and directs them towards soma Axon – an extension of the neuron from the soma which ends
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and specialized cells‚ called neurons‚ that transmit messages across the different parts of the body in order for it to function and react correctly. They are known as the building blocks of the nervous system. Structurally they have long extensions that extend out from the cell body. There are two types of these extensions; dendrites‚ which are extensions of the neurons that receive signals and then send them to the cell body; and axons which are extensions of neurons that send signals away from the
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Neurons are composed of DNA. Most of the neurons in the cortex are in place by 20 weeks of gestation and its structure becomes fairly defined during the next 12 weeks. Once they are in a place neurons sprout dendrites and axons‚ which are narrow‚ branching fiber like extensions‚ axons sand signals to neurons and dendrites receive messages through the synapses (the nervous system’s communication links).A neuron can have from 5‚000 to 100‚000 synapse connections
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brain contains an estimated 100 billion nerve cells‚ or neurons * Each neuron my communicate with thousands of other neurons * Functional magnetic resonance imaging (fMRI) is a technology that can reconstruct a 3-D map of brain activity * The results of brain imaging and other research methods reveal that groups of neurons function in specialized circuits dedicated to different tasks 48.1: Nervous Systems consist of circuits of neurons and supporting cells * All animals except sponges
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brain in the cranial subcavity (the skull)‚ and the spinal cord in the spinal cavity (within the vertebral column). Then human nervous system is the most complex object know to science‚ as it includes the intricate CNS and a brain with 10 billion neurons and many times more interneural connections (Anissimov 2007). For some people‚ this brain and the increase in intelligence it signifies is what separates human being from other animals. As the difference is mainly a quantitative one‚ the gulf between
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consists of several factors that result in the death of neurons in the brain resulting in brain shrinkage. The cause of death of these neurons is still not fully understood and is currently the subject of intense scientific research. We do however know that the presence of Amyloid plaques play a significant role in disrupting normal synaptic communication between brain cells and neurofibrillary tangles contribute to the death of individual neurons by destroying the “supply line” within the cell. Tau
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network of neurons (nerve cells) that that sends information to the brain to be analyzed. Neurons live both in and outside the central nervous system. Understanding how the neurons work is vital to understanding the nervous system. Neurons The neuron has two important structures called the dendrite and axon‚ also called nerve fibers. The dendrites are like tentacles that sprout from the cell and the axon is one long extension of the cell. The dendrites receive signals from other neurons‚ while the
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