In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Q: Question: After a car accident, Carla gained a lot of blood. At the hospital, the doctors tell her that her blood pressure is now 
 Answer: increased

A: If blood volume in the body decreases, blood pressure decreases.
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Q: Question: Eric is researching near the Equator. Rob is researching near the North Pole. The coldest area is 
 Answer: Reid's

A: Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.
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Q: Question: As the injection was given and the blood vessels expanded, Dean's blood moved through 
 Answer: in greater amounts

A:
Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.
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