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.

Input: Consider Input: Question: When Katie was in the hospital with low blood pressure, she understood that the volume of her blood was 
 Answer: low

Output: As blood volume in the body increases, blood pressure increases.


Input: Consider Input: Question: Don notices that the patient's heart is expelling less blood with each stroke. The patient's heart has to beat _____ often to maintain consistent blood flow. 
 Answer: more

Output: When the heart expels more blood with each stroke, the heart has to beat less often in order to maintain the same volume of blood flow.


Input: Consider Input: Question: A ball that is on the ground will have _____ potential energy than a ball on the top of the empire state building about to be dropped off . 
 Answer: less


Output: So the higher an object is above a surface, the more potential energy it has.