Across
- 1. inner lining of the heart.
- 5. (Two words)One of the two vessels carrying oxygenated blood from the lungs to the left atrium of the heart.
- 6. gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells.
- 7. (two words)valve between the left atrium and the left ventricle; bicuspid valve.
- 8. beat of the heart as felt through the walls of the arteries.
- 13. largest artery in the body.
- 14. (Two words)valve positioned between the right ventricle and the pulmonary artery.
- 15. thin-walled vessel that carries blood from body tissues and lungs back to the heart.
Down
- 2. relaxation phase of the heartbeat.
- 3. structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction.
- 4. (two words)blood that is oxygen-poor.
- 9. abnormal swishing sound caused by improper closure of the heart valve.
- 10. innermost lining of blood vessels.
- 11. one of two lower chambers of the heart.
- 12. muscular middle layer of the heart.
- 13. largest type of blood vessel.