Across
- 4. Carries deoxygenated blood to the heart from the upper body
- 6. Blood vessel that moves blood towards the heart
- 9. The heart is made up of four of these
- 10. Connection or joining of vessels
- 11. English anatomist discovered blood flows through the body
- 13. Blood leaving the heart is rich with this
- 16. Pertaining to the lungs
- 18. Major artery that delivers blood to the systemic circulatory system
- 19. The two upper most chambers of the heart
- 20. One of two pairs of vessels carrying oxygen rich blood to the left atrium
Down
- 1. The two lower most chambers of the heart
- 2. Carries oxygen-poor blood from the right ventricle to the lungs
- 3. Pertaining to the heart
- 5. Irregular beat of the heart
- 7. Blood vessel that moves blood away from the heart
- 8. Small vein
- 12. Carries deoxygenated blood to the heart from the lower body
- 14. Conducts blood only between the heart and lungs
- 15. Blood entering the heart has high levels of this
- 17. Small blood vessel that allows nutrient exchange