Respiratory/Circulatory System
Across
- 3. Tiny sacs in the lungs where lungs and blood exhange O2 and CO2
- 7. Move microbes and debris out
- 8. windpipe
- 9. Receives O2 and releases CO2
- 10. pumps oxygen-rich blood up into your aorta
- 11. Openings that pull/push air
- 12. major muscle of respiration that contracts rhythmically
- 13. Pumps blood through your body
- 14. main artery that carries blood away from your heart to the rest of your body
- 15. voice box
Down
- 1. Main airways into lungs
- 2. making sure that blood flows from your left atrium to your left ventricle
- 4. Tube that delivers air from mouth/nose to the trachea
- 5. carries blood from the head, neck, arms, and chest
- 6. allow blood to flow into the heart from the body to flow to the right ventricle where it's pumped to the lungs for oxygen
- 10. empties blood into the left ventricle