Organs and Organ Systems
Across
- 4. system that contains the skeleton
- 6. system that contains the brain and spinal cord
- 8. body system that contains the heart and blood vessels
- 9. study of how the human body functions
- 13. group of organs working together
Down
- 1. system that breaks down food into nutrients
- 2. system that contains the muscles
- 3. organ that pumps blood through the body
- 5. study of the human body structures
- 7. organ that takes in oxygen from air and expels carbon dioxide from blood
- 10. group of tissues working together
- 11. filter blood and creates excretory fluid
- 12. the body's control center