Across
- 2. are pumping chambers of the heart
- 4. allow the gas to exchange in lungs
- 8. serves as channel for airflow through the nose
- 9. organ through which the air enters the filtered
- 11. the smallest blood vessels in the body
- 12. movements of the blood from the heart to the lungs and back to the heart
- 13. also called "wind pipe"
- 14. also called "bronchial tube"
Down
- 1. pumps the blood through the body
- 3. carry deoxygenated blood to the heart
- 5. the life support structure that nourishes your cells with nutrients from the food you eat and oxygen from the air you breathe
- 6. carries the smallest throughout the body
- 7. carry oxygenated blood away from the heart to the cells, tissue and organs of the body
- 10. made up of the organs in the body that help us to breathe