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Nervous System
| Term | Definition |
|---|---|
| Central Nervous System | brain & spinal cord |
| Peripheral Nervous System | all parts of nervous system EXCEPT brain & spinal cord |
| Neuron | nerve cell that sends and receives electrical impulses |
| Parts of a Neuron | axon, dendrite, cell body, nucleus, axon terminal |
| Sensory Neurons | gather info about what is happening in and around body |
| Motor Neurons | send impulses from brain and spinal cord to other parts of body |
| Somatic Nervous System | neurons under your conscious control |
| Autonomic Nervous System | controls body functions you don't think about |
| Brain | main control center |
| Cerebrum | largest part of brain; where you think & memories are stored |
| Cerebellum | part of brain that controls balance & controls sensory information |
| Medulla | controls involuntary processes (ex. blood pressure, heart rate, etc...) |
| Spinal cord | surrounded by protective bones called vertebrae |
| Spinal Cord Injury | may block info to and from the brain |
Created by:
jamred86