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10 votes
Negative feedback: If blood pressure is high, the blood vessels should

A. dilate (open up more)
B. constrict (get tighter)​

User Riyaz
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2 Answers

12 votes
The vessels constrict
User Atyz
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6 votes

Answer:

B. constrict (get tighter)​

Step-by-step explanation:

User Voxobscuro
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