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Term | Definition |
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spinal cord | A bundle of nerves that runs along the back of a vertebrate within the spinal column. |
heart | The muscular organ of an animal that pumps blood throughout the body |
ventricle | A chamber in an animal’s heart that pumps blood out to the body. |
circulatory system | The system that transports blood and other fluids throughout the body. |
brain | The main control center in an animal body; part of the central nervous system. |
nervous system | The system of the body that carries information to all parts of the body. |