mia phillips. central- the complex of nerve tissue that controls the activities of the body major...
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Nervous System
Mia Phillips
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Central- the complex of nerve tissue that
controls the activities of the body Major Parts- Brain, Spinal Cord
Peripheral- outside the brain and the spinal cord
Major part- Nerve Fibers, Everything else
Nervous Systems
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Interaction of Two Neurons
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Simple Reflex Arc.
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A neutral pathway that controls a refelx. Happens quickly Autonomic reflex arc.- affects inner organs Somatic reflex arc.- affects muscles
Reflex Arc.
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Sensory Neuron- responsible for converting
various external stimuli that comes from the environment in to another stimuli
Motor Neuron- located in central nervous system, controls the muscles
Elements of Simple Reflex Arc
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Major Parts of the Brain
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Cerebral Hemisphere- controls movement of
the left side of the body, receives info from sensory system, regulates motor movements
Diencephalon- made up of the thalamus, subthalamus, hypothalamus, and epithalamiums
Brain Stem- regulates heart beat, breathing, sleeping, and eating
Major Parts of the Brain
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Nerve Impulses
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Nerve Impulses
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Nerve Impulses
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Nerve Impulses
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Nerve Impulses
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Role: communicate information throughout the
brain and the body Influence any portion of the brain and just that
portion
Neurotransmitters
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EPSP- excitatory postsynaptic potential,
hyperpolarizing IPSP- inhibitory postsynaptic potential
IPSP and EPSP
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Damage to the spinal cord, bones, tissues, or
blood vessels Could lead to direct injury to the cord
Spinal Cord Trauma
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Increased muscle tone Loss of bladder control Numbness Pain Weakness Paralysis
Spinal Cord Trauma Symptoms
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Realign the spinal bones Remove fluid or tissue that puts pressure on
the spinal cord Remove bone fragments, disk fragments,
foregin objects Fuse broken spinal bones
Spinal Cord Trauma Treatments
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Spinal Cord Trauma Prevention
Wear Seat Belts Check water level before Diving Wear Proper Equipment
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An inflammation of the meninges, the
membranes that surround the brain
Meningitis
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Fever Headache Nausea, vomiting Stiff neck Confusion Drowsiness Seizures
Meningitis Symptoms
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Medications Therapy Surgery
Meningitis Treatments
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Vaccinations
Meningitis Prevention
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http://uhealthsystem.com/health-library/neuro/disorder/meningit https://www.nlm.nih.gov/medlineplus/ency/article/001066.htm https://www.neurogistics.com/TheScience/WhatareNeurotransmi09CE.asp
https://www.boundless.com/physiology/textbooks/boundless-anatomy-and-physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of-a-reflex-arc-727-2295/
https://www.boundless.com/physiology/textbooks/boundless-anatomy-and-physiology-textbook/the-peripheral-nervous-system-pns-13/reflexes-136/components-of-a-reflex-arc-727-2295/
https://science.education.nih.gov/supplements/nih2/addiction/guide/lesson2-1.html
http://www.medicinenet.com/script/main/art.asp?articlekey=2667
References