Across
- 7. carry blood and nutrients away from the heart
- 8. includes the heart and blood vessels
- 9. a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in human
- 10. carried away from the heart
Down
- 1. exchange gases to remove carbon dioxide and add oxygen to blood
- 2. carry blood and nutrients to the heart
- 3. let the blood flow in only one direction
- 4. joins the arteries and veins
- 5. organ that pumps blood
- 6. carried towards the heart