excretory system |
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| navigate by keyword : anatomical anatomy art artery background biology bladder blue body computer design digital disease drawing education element elements excretory female graphic health healthcare human illustration internal kidney kidneys medical medicine model orange organ organic overactive painting people purple renal science shape slice system ureter urethra urinary vein woman |
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| The excretory system is a passive biological system that removes excess, unnecessary materials from an organism, so as to help maintain homeostasis within the organism and prevent damage to the body. |
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