Across
- 4. One of two pairs of vessels carrying oxygenated blood from the lungs to the left atrium of the heart.
- 5. circulation Flow of blood from the heart to the lungs and back to the heart.
- 8. Instrument to measure blood pressure.
- 12. Double-layered membrane surrounding the heart.
- 13. of the heart as felt through the walls of the arteries.
- 14. Gas that enters the blood through the lungs
- 15. artery Artery carrying oxygen-poor blood from the heart to the lungs.
- 16. Muscular middle layer of the heart.
Down
- 1. Flow of blood from body tissue to the heart and then from the heart back to body tissues
- 2. Valve between the left atrium and the left ventricle; bicuspid valve.
- 3. Valve positioned between the right ventricle and the pulmonary artery.
- 6. Heart rhythm originating in the sinoatrial node with a rate in patient
- 7. Partition or wall dividing a cavity; such as between the right and left atria (interatrial septum) and right and left ventricles (interventricular septum).
- 9. Specialized nervous tissue in the right atrium that begins the heartbeat.
- 10. Abnormal swishing sound caused by improper closure of the heart valves
- 11. Pacemaker of the heart.