The system is a very important organ system. it interacts with the respiratory system to transport oxygen and carbon dioxide gases between the lungs and different parts of the body. it interacts with the digestive system to transport nutrients throughout the body, and it interacts with the urinary system to remove wastes from the body.

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a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.