Answer:
A calorie is a unit of energy.
"In human nutrition, the term empty calories applies to foods and beverages composed primarily or solely of sugar, fats or oils, or alcohol-containing beverages. These supply food energy but little to no other nutrition in the way of vitamins, minerals, protein, fiber, or essential fatty acids."- Wikipedia
<span>Kids can get eight colds per year or more, making them the most common infectious disease in the United States and the top reason kids visit the doctor and miss school.</span>
The answer that would best complete the given statement above is fast, powerful movement. Plyometrics which is also known as "jump training" are exercises wherein the muscles exert the highest amount of force in a short span of time. The exercises included in plyometrics are mainly to develop strength/power and speed.