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: A smoker's body works _____ just to get needed air. 
 Answer: more
answer:
When a person smokes there are chemicals released by the tobacco that enter the lungs. Because the lungs have to work harder to remove the chemicals, the body has to work harder to get the air needed to survive.


question:
Question: Rich is 60 years old and Tony is 30 years old. _____ has a greater risk of developing cardiovascular disease. 
 Answer: Rich
answer:
Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.


question:
Question: When it gets cold out what happens to our blood flow? 
 Answer: decreases
answer:

On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.


