illustration the parasympathetic and sympathetic nervous systems |
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| navigate by keyword : biology heart thoracic vessels pupils activity blood education nervous science diagram cervical lumbar anatomy heartbeat human diagrams digestive system sacral body organs visual health physiology medical graphic sympathetic parasympathetic |
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| Diagram showing the parasympathetic and sympathetic nervous systems, highlighting their effects on organs such as the heart, pupils, and digestive system. The diagram illustrates the different regions of the nervous system (cervical, thoracic, lumbar, sacral) and their corresponding effects on various organs |
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