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6. Which blood vessels supply the heart muscle with blood?
- Arteries
- Coronary Arteries
- Veins
7. Which side of the heart has the thickest and strongest muscular wall?
8. What are the valves called between the atria and the ventricles?
- Atrioventricular valves
- Semi lunar valves
9. Which chamber of the heart is the thickest and strongest wall?
- Left Atrium
- Right Ventricle
- Left Ventricle
- Right Atrium
10. Which vessel transports blood from the right side of the heart to the lungs for oxygenation?
- Pulmonary Artery
- Pulmonary Vein
- Vena Cava
11. Which vessel has a thicker muscular wall?
12. What are the valves called between the ventricles and the arteries?
- Semi lunar valves
- Atrioventricular valves
13. Which vessel has a narrow lumen?
14. The blood circulating in large open spaces describes what type of circulatory system?
- Open circulatory System
- Double circulatory system
- Closed circulatory system
- Single circulatory system
15. Which vessel has valves?
16. Which vessel takes blood from the left side of the heart to the body?
- Aorta
- Vena Cava
- Pulmonary Vein
17. In which stage of the cardiac cycle does the ventricle contract?
- Atrial Systole
- Ventricular Systole
- Diastole
18. The blood passing through the heart once for every complete circuit of the body describes what type of circulation?
- Open
- Double
- Single
- Closed