Across
- 2. valve is on the right side of the heart
- 4. nervous system which contains the brain
- 6. is the air passageway that goes into the lungs
- 9. triangle shaped organ in bottom of abdomen that stores urine
- 12. hold the spinal cord
- 13. carry deoxygenated blood to the heart
- 14. red blood cells transport this to make energy
- 16. each kidney has a million of these for filtration
Down
- 1. is the control center of the body
- 3. has a right side and a left side pump
- 5. when oxygen is inhaled and carbon dioxide exhaled
- 7. is a muscle below the lungs and necessary for breathing
- 8. carries the oxygenated blood from the heart to the rest of the body
- 10. the largest internal organ
- 11. where most of the nutrients and water are absorbed
- 15. valve is on the left side of the heart