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Bad White [126]
3 years ago
10

What happens to the blood vessels in hot and cold weather?

Biology
2 answers:
attashe74 [19]3 years ago
8 0
Blood vessels expand during hot weather and retract/ tighten in cold weather
iren [92.7K]3 years ago
3 0

When temperatures hit 50 degrees, your blood vessels narrow to reduce blood flow near the body's surface. Sometimes the blood vessels dilate and burst, which causes redness.

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