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Nervous System. Brain Spinal cord Nerves. DEMOSS CHIROPRACTIC 20321 Birch Street, Suite 100 Newport Beach, CA 92660. The Nervous system. Is made of three main parts Brain Spinal Cord Nerves. 1. The Brain. Control Center for the body Weights about 3 pounds Is the size a grapefruit
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Nervous System Brain Spinal cord Nerves DEMOSS CHIROPRACTIC20321 Birch Street, Suite 100Newport Beach, CA 92660
The Nervous system • Is made of three main parts • Brain • Spinal Cord • Nerves
1. The Brain • Control Center for the body • Weights about 3 pounds • Is the size a grapefruit • Has 3 main parts • Cerebellum • Cerebrum • Brain stem
Brain: the cerebellum Cerebellum is located at the back side of head, near the back of the neck area. • Controls voluntary movement • Coordinates muscle action for • Running • Walking • Painting • Balance www.futureparadigm.org
Brain: the cerebrum (The largest part of the brain, at the top) • Controls our ability • To think • To remember • To feel • To dream • Talk • Sense www.sinauer.com
Brain: the brain stem • Brain stem (bottom) • Controls involuntary movement • Basic life support like • Heart beating • Lungs breathing • Eyes blink
The Spinal Cord • Our spinal cord goes from the brain down the back through the vertebral column . • The spinal cord forms the main path for messages entering amd leaving our brain. www.daviddarling.info
Spinal Cord (cont) The spinal cord is encased in vertebra for protection. http://static.howstuffworks.com/gif/nerve-10.gif
The Nerves • The main part of the nervous system. • Nerves carry messages throughout your body: to, from, and within the brain. • Nerves are long and thin like threads. • They are bundles of wrapped nerve cell fibers, or neurons. www.AMBIENCR.com
Neurons make up the nerves. www.sjhsyr.org
Nerves (cont.): neurons • There are several types of neurons, depending on function. • Nerves • Sensory nerves come from the senses • Motor nerves send messages to muscles and other parts of the body from the brain in response to a sensory nerve message. www.epilepsyfoundation.org
Diseases of the Nervous System • “Parkinson's disease is a slowly progressive disorder that affects movement, muscle control, and balance. Part of the disease process develops as cells are destroyed in certain parts of the brain stem, particularly the crescent-shaped cell mass known as the substantia nigra. “ • 1998-2009 HowStuffWorks, Inc. • Alzheimer disease (AD) is where the cerebral cortex and some other forebrain regions shrink. It affects more women than men. • Broca aphasia is defined by Websters Dictionary as a "loss or impairment of the power to use or comprehend words usually resulting from brain damage."