The main function of the excretory system is to eliminate from the body.

Organ System Main Functions: The main function of the Excretory System is to remove wastes products of metabolism from the body. This system is important because in our body because it eliminates wastes from our body. The Excretory System also stores urine and excretes urine through the urethira.

It is to eliminate bowel and urine.

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line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).