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Chelsea Tucker

Physiology weeks 7-13

TermDefinition
Central nervous system the processing centre of the body and consists of the brain and the spinal cord.
Peripheral nervous system one of two components that make up the nervous system of bilateral animals,
Mixed nerve carries both sensory and motor fibers
Hyperpolarization a change in a cell's membrane potential that makes it more negative.
Repolarization the change in membrane potential that returns it to a negative value just after the depolarization phase of an action potential which has changed the membrane potential to a positive value.
Depolarization a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell compared to the outside.
Action potential occurs when the membrane potential of a specific cell location rapidly rises and falls:
Endocrine system a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs.
Lymphatic system an organ system in vertebrates that is part of the immune system, and complementary to the circulatory system.
Phagocytosis the ingestion of bacteria or other material by phagocytes and amoeboid protozoans.
Created by: chelseab121
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