How your brain works powerpoint,abraham hicks focus wheel covers,the brainstem is made up of the medulla pons and ________,how to invest like warren buffett own - Review

Author: admin, 12.11.2014. Category: Quote About Positive Thinking

The basic lower brain consists of the spinal cord, brain stem and diencephalon (the cerebellum and cortex are also present, but will be discussed in later sections). Medulla -- The medulla contains nuclei for regulating blood pressure and breathing, as well as nuclei for relaying information from the sense organs that comes in from the cranial nerves. The spinal cord can be viewed as a separate entity from the brain, or merely as a downward extension of the brain stem. Please enter at least one email addressYou are trying to send out more invites than you have remaining. Neurons share the same characteristics and have the same makeup as other cells, but the electrochemical aspect lets them transmit signals over long distances (up to several feet or a few meters) and send messages to each other.
In turn, the brain stem comprises the medulla, pons, midbrain, hypothalamus and thalamus [source: Health Pages]. It's also the most ancient part of the brain.Pons -- The pons contains nuclei that relay movement and position information from the cerebellum to the cortex.


It contains sensory and motor pathways from the body, as well as ascending and descending pathways from the brain.
Neurons have the amazing ability to gather and transmit electrochemical signals -- think of them like the gates and wires in a computer.
This main part has all of the necessary components of the cell, such as the nucleus (which contains DNA), endoplasmic reticulum and ribosomes (for building proteins) and mitochondria (for making energy).
It also contains nuclei that are involved in breathing, taste and sleep, and physically connects medulla to the midbrain.Midbrain -- The midbrain contains nuclei that link the various sections of the brain involved in motor functions (cerebellum, basal ganglia, cerebral cortex), eye movements and auditory control.
This long, cablelike projection of the cell carries the electrochemical message (nerve impulse or action potential) along the length of the cell.
These centers govern sexual reproduction, eating, drinking, growth, and maternal behavior such as lactation (milk-production in mammals).
Depending upon the type of neuron, axons can be covered with a thin layer of myelin sheath, like an insulated electrical wire.


Myelin is made of fat and protein, and it helps to speed transmission of a nerve impulse down a long axon. Myelinated neurons are typically found in the peripheral nerves (sensory and motor neurons), while non-myelinated neurons are found in the brain and spinal cord.Dendrites or nerve endings. These small, branchlike projections of the cell make connections to other cells and allow the neuron to talk with other cells or perceive the environment.



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