Why does vasoconstriction happen?

Related questions

1. What is TPR VIP kid?
2. Is SVR the same as TPR?
3. What is TPR chart?
4. Why does TPR decrease during exercise?
5. What is TPR healthcare?
6. What are the uses of TPR?
7. What is total patient revenue?
8. How is TPR calculated?
9. What is TPR anatomy?
10. What is TPR cardiology?

Tags

1. #drugs
2. #vessels
3. #shouldn
4. #parts
5. #conditions
6. #cause
7. #happen
8. #blood
9. #relax
10. #brain
11. #increasing
12. #pressure
13. #dropping
14. #widen
15. #health
16. #vasodilation
17. #areas
18. #vasoconstriction
19. #opposite