Across
- 5. Valve positioned between the right ventricle and the pulmonary artery.
- 6. Two common carotid arteries located on each side of the neck branch from the aorta and provide blood to head, neck and brain.
- 8. Small artery.
- 10. Contraction phase of the heartbeat
- 13. Double-layered membrane surrounding the heart.
- 14. Gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells
- 16. Relaxation phase of the heartbeat.
Down
- 1. Abnormal swishing sound caused by improper closure of the heart valves
- 2. Structure in veins or in the heart that temporarily closes an opening so that blood flows in only one direction.
- 3. Smallest type of blood vessel. Materials pass to and from the bloodstream through the thin capillary walls.
- 4. Beat of the heart as felt through the walls of the arteries.
- 7. Gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation.
- 9. Largest artery in the body.
- 11. Partition or wall dividing a cavity; such as between the right and left atria (interatrial septum) and right and left ventricles (interventricular septum).
- 12. Largest type of blood vessel; carries blood away from the heart to all parts of the body.
- 15. Small vein.