Psych chptr 2 Word Scramble
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Question | Answer |
Dendrites | Recieves information from other cells. Has tree like branches and if damaged will try to regrow. |
Cell Body | Thickest part of the cell and contains the nucules |
Axon | Tail like structure that carries nerve flow away from the cell body |
Myelin | Covers and protects the Axon and speeds up nerve flow down the axon. Made of Glial cells (fat cells) |
Synapse | Microscopic gap between cells where Neurotransmitters cross over |
Receptors | Recieving port on the next cell that recieves the Neurotransmitters |
Neurotransmitters | Chemical messangers of the brain. ( 50 identified ) |
Cells At Rest | Resting Potential |
When A Cell Fires Is Known As | Action Potential |
All Or None Principle means | Moves all the way down once fired. |
"Ranvier" founded | Founded the nodes. He saw the Sheath of the axon had little nodes in it. The nodes fire like spark plugs thus keeping the flow moving. |
Lock And Key | Nuerotransmitters blow out a gell to cross the synapse gap to the receptor cell. The neurotransmitter must fit the receptor site. |
Enzymes | Clean the Synapse gap |
Hind Brain | The Brain Stem. Oldest part of the brain. Medulla,Pons,Cerebellum |
Nervous System (left) | Central Nervous system = Has central role in life.or midline axis of the body. Includes Brain and Spinal Cord. |
Nervous System (right) | Peripheral = general "Nonspecific" out of spine. Includes-Somatic Nervous System. Autonomic Nervous System. Sympathetic Nervous System. Parasympathetic Nervous System. |
Created by:
Shyanne
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