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