Across
- 1. used to measure respiratory volumns
- 5. blood vessel that brings blood from arms to right atrium
- 7. ventricular relaxation
- 9. organ of lymphatic system
- 10. opening between the vocal cords
- 14. amount of air inhaled and exhaled under normal conditions
- 15. blood flows from this vein into the external iliac vein
- 18. valve between the right atrium and right ventricle
- 19. red blood cell
- 20. eosinophils, basophils, and neutrophils
Down
- 2. connects upper respiratory system to the lungs
- 3. one complete heartbeat
- 4. first arterial branch on aorta
- 6. site of gas exchange in the lungs
- 8. largest blood vessel in body, receives blood from the left ventricle
- 11. ventricular contraction
- 12. branches form splenic, gastric, and common hepatic arteries
- 13. carries blood away from liver
- 16. monocyte is a type of this group of cells
- 17. remains of opening between right and left atria that closes at birth