Across
- 4. What is one way to improve your blood flow and is good for your health?
- 5. Which chocolate is good for your heart?
- 6. Which vessel is the largest for blood return and has one way valves to store and pump blood back to the heart?
- 7. Which blood component is part of the immune system?
- 9. What is the leading cause of death worldwide?
- 11. Which heart valve is most important?
- 12. What can help strengthen the heart?
- 13. Which gender's heart beats faster?
Down
- 1. What transports O2 & CO2 on hemoglobin?
- 2. Which animal has the biggest heart?
- 3. Which vessel has thin walls and permits gas exchange, but has no muscle to control blood flow?
- 8. Which blood component contains cell fragments involved in clotting?
- 10. Which animal has the smallest heart?
- 13. How many chambers are in the heart?
- 14. Which day of the week is a heart attack more likely to occur on?