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Nervous System EL

Express Lesson Nervous System

Neurons specialized cells that receive and send the signals
Nerves are bundles of tissue that carry signals from one place to another
Spinal cord is the column of nerve tissue that runs through the back-bone
Central nervous system brain and spinal cord
Peripheral nervous system The nerves that connect the brain and spinal cord to other parts of the body
Synapse is a point between a neuron that is sending a signal and the neuron or other cell that is receiving the signal
Neurotrasmitters chemicals which move across the synaptic cleft and bind to receptors on the surface of the next cell
Sensory nerves are nerves that carry the signals from the sense organs toward the CNS,where they are proessed or relayed
Motor nerves are nerves that carry signals from the brain or the spinal cord to the muscles and glands
Brain is the main control center for the body
Cerebrum is the largest most complex part of the brain
Cerebellum is the part of the brain that controls balance and posture
Brain stem is the part of the brain that guides signals coming from the spinal cord to other parts of the brain
Spinal cord nerves that branch from the spinal cord and that go to the brain and to the tissues of the body
Reflex is an involuntary response that enables the body to react immediately to a stimulus,such as a possible injury
Created by: yolanda n amanda