I Gotta Pee Crossword Puzzle

This printable crossword puzzle on the topic of Human Body Systems has 15 clues. Answers range from 3 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

What makes the urine ?
The two thin tubes are called what ?
What holds the urine ?
What is fluid waste called ?
Another name for urinary system.
A doctor who specializes in the urinary system.
The extra water comes from what ?
A ring of muscle closing the opening.
The exit tube of the body for urine.
What is the kidneys role for waste?
Common urinary disease.
The ability to maintain a stable internal environment.
Messenger molecule in the body.
Organism that is self-contained.
Another name for urine.