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.

Ex Input:
Question: Tony wanted to prevent cramps by not warming up. This _____ blood flow to his muscles. 
 Answer: decreases

Ex Output:
Warming up exercises increases the blood flow to the muscles and increases the heart rate.


Ex Input:
Question: If Jim lowers the temperature of water in his bathtub, what happens to the density of the water? 
 Answer: increases

Ex Output:
Water becomes more dense when it is colder and when it has more salt.


Ex Input:
Question: When someone works out a lot they are _____ than those that never exercise 
 Answer: stronger

Ex Output:

Exercising muscles increases their size, and bigger muscles have greater strength.