nervous system

The nervous system is a network of roads that feed into highways that connect to an interstate system. The roads are the nerves that innervate the muscles and the extremities; the interstate is the spinal cord. When the system works…
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The lower back core muscles initiate and control movement and posture. Total body movements start at the pelvis and are carried out by the low back and abdominal muscles. These core muscles provide control and stability when moving. When…
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We often think of proteins are nutrients found in the food we eat and the main component of muscles, however, proteins are microscopic molecules located inside of cells which actually perform a variety of fundamental roles. The function of…
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Mitochondria are the "energy factory" of the human body. Several thousand mitochondria can be found in nearly every cell. Mitochondria also play several fundamental roles in the body, such as converting chemicals from the foods we eat into…
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Cerebral perfusion pressure, or CPP, is the net pressure gradient which carries oxygen to brain tissue. It is measured by the difference between the mean arterial pressure, or MAP, and the Intracranial Pressure, or ICP,  which is measured…
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You have probably heard about the "gray matter" of the brain which is made up of cells known as neurons, however, a lesser-known type of brain cell is ultimately what makes up the "white matter" of the brain.  These are known as glial…
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In humans, the nervous system consists of the central nervous system and the peripheral nervous system. The central nervous system, or CNS, consists of the brain and the spinal cord. It is in the CNS where the review of information occurs.…
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How does your brain know when you are experiencing pain? How does it know the difference between the soft touch of a feather and a needle prick? And, how does that information get to your body in time to respond? How can acute pain become…
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Nerve Damage After Surgery The different aspects of nerve damage after surgery are taken into account through this article. Focus of the article is on understanding about this complex medical problem through explanation of important points.…
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