I believe calorie is the correct answer
The answer is...
B) To ensure that you are constantly engaging your body in a way that improves its function
RWIs are caused by germs and chemicals found in the water we swim in. RWIs spread by swallowing, breathing in mists or aerosols of, or having contact with contaminated water in swimming pools, hot tubs, water parks, water play areas, interactive fountains, lakes, rivers, or oceans. Diarrhea is the most common RWI. ~ JyMarkus