The organ of the listed ones that is found in the excretory system is B. kidneys.
The lungs are in the respiratory system, the stomach is in the digestive system, and the heart is in the circulatory system.
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-Hamilton1757
The kidneys are found in the excretory system, your answer is B. Kidneys. The kidneys help make urine in which gets rid of the waste that's not needed in your body.
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