Across
- 2. The largest organ inside your body.
- 5. A membranous sac for temporary retention of urine.
- 7. Part of the digestive system.
Down
- 1. A pair of organs that creates urine.
- 3. An organ in the head that controls functions.
- 4. Respiratory organs that enable you to breathe.
- 6. They compose the skeleton.