Across
- 1. carries oxygen to the body
- 4. tubes that take blood out of the heart
- 6. main organ in cardiovascular
- 9. the person that performs the bypass
Down
- 1. dangerous, open heart surgery
- 2. the name of the system (first part only)
- 3. you need a good one to avoid coronary heart disease
- 5. main part of the heart (right at the top)
- 7. pumps the oxygen to the heart
- 8. a type of surgery that isn't overly dangerous