asked 49.1k views
5 votes
A.

When heat is applied too long, blood vessels:
Constrict
b. Dilate
Become less elastic
d. Collapse

2 Answers

3 votes
I think the answer B. Dilate, they dilate so more blood flow will go to the area and skin, allowing heat to be lost in the environment.
answered
User Peter Verbeet
by
7.8k points
3 votes
A. Constrict Hope this helps
answered
User Tirza
by
7.3k points
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