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Excretory System

Horizontales
Organs that release waste through the skin
Waste product removed by the lungs
The smallest units of the body
Organs that remove waste and extra water from the blood
Verticales
Group of the same kind of cells that work together
Release of excess water from plants
Body structures that perform specific functions
A substance that the body does not need
Collects and stores urine
Mixture of waste and water