How many main arteries are there?

Related questions

1. What is the main function of the aorta?
2. When should I be worried about palpitations?
3. What is the function of the left aorta?
4. What causes abdominal aortic aneurysm?
5. What is circulation to all body organs called?
6. Why is the aorta important?
7. Is it normal to feel your pulse in your stomach?
8. Is 30 artery blockage serious?
9. Is it normal to feel your heartbeat in your chest?
10. Which artery is called the Widowmaker?

Tags

1. #artery
2. #layer
3. #blood
4. #smaller
5. #arteries
6. #capillaries
7. #network
8. #major
9. #inside
10. #carries
11. #three
12. #layers
13. #however
14. #smooth
15. #parts
16. #branch
17. #extensive
18. #arterioles
19. #there
20. #throughout
21. #which