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Nervous System (Major nerves of the brain and the cranial (Abducens Nerve:…
Nervous System
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Neurotransmitters
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Acetylcholine: released at neuromuscular junctions; action- stimulates skeletal muscles and by many nerves
Gases and Lipids: gasotransmitters, nitricoxide, carbonm monoxide, hydrogen sulfide, and endolanna binoids
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spaces and ventricles
Third Ventricle (1): helps protect brain from injury, under fixon
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Lateral Ventricle (2): cerebral fluid to cushion the brain and circulate nutrients and remove waste; under the Subcutaneous
Diseases in the brain:
Parkinson's Disease: causes slowness of movement, stiffness and balance problems occur; degeneration of dopamine- releasing neurons of the substantia
Huntington's Disease: involuntary jerking or writhing movement, muscle problems, and or slow abnormal eye movements; when hun. protein accumalates in brain cells and tissues dies making it degenerating of basal nuclei later in cerebral cortex
Alzheimer's Disease: causes memory loss, short attention span, disorientation, eventual language loss; (1) cause is mutation in gene for APP,(2) presence of neurofibrillary angles inside neurons
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Reflex Arc: nerve pathway involved in a reflex action including at its simplest a sensory nerve and a motor nerve with a synapse between