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Transcript of Nervous System
Bailey, R. (2012). About.com In Biology.About.com. Retrieved from http://biology.about.com/od/organsystems/ss/central-nervous-system.htm
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(2011, ). Trip2medi.com. Parkinson's Diseases Surgery in India. Retrieved February 22, 2013, from http://www.trip2medi.com/treatmentNSSParkinson\'s-Diseases.php What it does Processes information
Responds to stimulants
Coordinates the activity of cells. Parts of the system There are two main parts of nervous system, which are composed of smaller parts.
Central nervous system is composed of Spinal cord and Brain
The Peripheral nervous system is composed of Autonomic and the Somatic system.
The Autonomic has sympathetic and parasympathetic nervous system. Diseases associated with this system There are a few disease that can cause problems with this system:
Epilepsy- Condition of recurring seizures
Hemorrhagic Stroke- Popped blood vessel in the brain.
Brain Cyst- Build up of brain matter
Parkinson's- Degenerative brain disease
Hydrocephalus- Abnormality of the cerebral fluid Biology 1152. Retrieved February 21, 2013, from http://bio1152.nicerweb.com/Locked/media/ch49/49_02aNervousSystemsA-U.jpg
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Zimmermann, K.A. (2012, 24). Science News – Science Articles and Current Events | LiveScience . Nervous System: Facts, Function & Diseases | LiveScience . Retrieved March 4, 2013, from http://www.livescience.com/22665-nervous-system.html
Methuen Public Schools, Methuen, MA. A BASIC NEURON. Retrieved March 4, 2013, from http://www.methuen.k12.ma.us/mnmelan/The%20Nervous%20system.htm Evolution of the Nervous system The nervous system in simple life forms are used for the very basic necessities for life, and as they become more complex they develop nerves and nerve clusters.
A more complex animal are those with bilateral symmetrical bodies, that have clustering sensory neurons and inter neurons at the anterior ends How it helps Homeostasis The Nervous system contains reflexes that respond to stimuli.
Stimuli is detected by a receptor which are transported by sensory neurons to an inter neuron in spinal cord which then synapses with a motor neuron and causes the effector (muscle cell) to contract Parts of the Brain The Nervous system also contains:
The brain stem
Corpus Callosum Interdependence Muscular- controls contractions to allow movement
Endocrine- hormones provide feedback for neural processing
Circulatory- controls heart contractions
Digestive- brain controls drinking and eating
Urinary- brain controls urination