Human Cavities, Urinary System, and Respiratory System Crossword

This printable crossword puzzle on the topic of Human Body Systems has 15 clues. Answers range from 4 to 9 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Organ that holds urine
Cavity above Oral Cavity
The brain is in this cavity
This cavity holds the lungs and heart
Largest cavity in the body
What are your tongue and teeth located? (general name, not cavity)
Made up of seven bones situated inside skull
Organs that filter water and excess fluid
Thin skeletal muscle that separates abdomen from chest
Includes lining inside cheeks, and lips
Contains the spinal cord
One of the entrances to respiratory cavity, located between the eyes
Commonly known as the windpipe
Bladder is found in this cavity
Two organs vital for breathing, found in thoracic cavity