Across
- 3. circuit of vessels that carries blood between the heart and the tissues
- 4. valve structure between the left atrium and the left ventricle (2 words)
- 6. divides the left heart from the right heart
- 10. drains blood from body and lower extremities (3 words)
- 11. This vessel branches to send blood to both lungs (2 words)
- 12. another word for heart relaxation
- 14. From this chamber of the heart blood moves into pulmonary circulation
- 15. lining that surrounds the heart
- 17. node that is referred to as the “pacemaker of the heart”
- 19. forms the majority of the heart and is composed primarily of cardiac musle
- 20. takes blood from the left ventricle to all body systems
Down
- 1. structures where oxygen and carbon dioxide are exchanged with air
- 2. blood flows though the __________________ valve into the aorta (2 words)
- 5. bring oxygenated blood to the heart from the lungs (2 words)
- 7. drains blood from the head and upper extremities (3 words)
- 8. type of vessels that carry blood back toward the heart
- 9. smallest blood vessels
- 13. structure between right atrium and right ventricle (2 words)
- 16. This type of valve prevents blood from leaking backward into ventricles
- 18. the type of vessel that carries blood away from the heart
- 19. another word for bicuspid valve