This organ in the excretory system stores urine until the body is ready to eliminate it.

What can grow up to a size of a golf ball and sits in your kidney

In which excretory organ is urea produced.

This excretory organ eliminates water and some chemical in perspiration.

Urine passes out of the body through this tube.

What is excreted through these three organs, kidneys, Lungs and Skin.

Tiny filtering structures where urine is produced in the kidneys.

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