instruction:
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.
question:
Question: When Derek was in the hospital, his blood vessels had a larger diameter than normal, which meant that his body was running 
 Answer: warmer
answer:
Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.


question:
Question: Sandra is in a dark building and then suddenly goes exits onto a sunny street. Sarah's pupils will do this in response to the new bright light 
 Answer: shrink
answer:
The pupil automatically gets bigger or smaller to let more or less light in as needed.


question:
Question: Will launches a rocket off the ground. As the speed of the gas that comes from the boosters decreases, the rocket's height reached 
 Answer: decreases
answer:

The rocket goes upwards because the hot gases shoot downwards out of the nozzle. The faster the gases go downwards, the faster the rocket goes upwards.