Circulatory 1

3. (2 words) specialized conducting fibers composed of electrically excitable cells
4. heart disease is a general term for a range of birth defects that affect the normal way the heart works
7. condition in which your heart muscle can’t efficiently pump blood to the rest of your body.
11. (2 words) the pacemaker of the heart
12. (2 words) disease were one or more of the valves in your heart doesn't work properly
13. measures the pressure in your arteries when your heart beats.
16. records the electrical signal from the heart to check for different heart conditions.
17. (2 words) the performance of the human heart from the beginning of one heartbeat to the beginning of the next

1. (2 words) disease develops when the major blood vessels that supply your heart become damaged or diseased.
2. describes an irregular heartbeat
5. (3 words) a combination of four congenital heart defects
6. (2 words) is the pressure of blood pushing against the walls of your arteries.
8. septal defect is a heart defect due to an abnormal connection between the lower chambers of the heart
9. measures the pressure in your arteries when your heart rests between beats.
10. inflammation of any of the layers of the pericardium.
14. a heart defect that can develop soon after birth.
15. (2 words) occurs when the heart doesn't pump blood as well as it should.