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Express Lesson

Express Lesson- Nervous System Vocab Words

Neurons Specialized cells, that recieve and send sifgnals to coordinate the body's thoughts, senses, movements, balance, and many automatic responses.
Nerves Bundles of tissue that carry signals from one place to another.
Spinal Cord The column of nerve tissue that runs through the backbone.
Central Nervous System(CNS) The brain and spinal cord make this system up.
Peripheral Nervous System(PNS) The nerves that connect the brain and spinal cord to other parts of the body.
Synapse A point between a neuron that is sending a signal and the neuron or other cell that is recieveing the signal.
Neurotransmitters Chemicals that move across the synaptic cleftnand bind to receptors on the surface of the next cell.
Sensory Nerves Nerves that carry signals from the sense organs toward the CNS, where they are processes or relayed.
Motor Nerves Nerves that carry signals from the brain or the spinal cord to the muscles and glands.
Brain The main control center for the body.
Cerebrum The most complex part of the brain which is the center for thought, imagination, and emotions.
Cerebellum The part of the brain that controls balance and posture.
Brain Stem The part of the brain that guides signals coming from the spinal cord to other parts of the brain.
Spinal Nerves Nerves that branch from the spinal cord and that go to the brain and to the tissues of the body.
Reflex An involuntary response that enables the body to react immediately to a stimulus, such as a possible injury.
Created by: cpalmer91797