Across
- 2. cava the initial entry point of blood into the heart\
- 4. top part of the heart
- 6. channel that blood flows towards the heart
- 8. main trunk or beginning of the artery system
- 9. name of the system for blood flow
Down
- 1. organ that pumps blood through the body
- 3. artery carries deoxygenated blood from heart to lungs
- 5. channel that blood flows away from the heart
- 6. lower part of the heart
- 7. the "thing" in the heart that prevents blood from flowing backwards; tricuspid ____
- 10. organ that oxygenates blood