Help pls pls and pls I'll give u brainliest if i get a good grade 1. Define calories and explain how the body gets energy .a unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.

2. What are your total calories in and total calories out?

3. According to your total calories in and out, will you gain weight, lose weight or maintain your weight over time? Why? If you will gain or lose weight, how long will it take you to gain or lose one pound of body fat?

4. Let's say you start jogging every day, burning an additional 300 calories a day. At this rate, how long would it take you to lose one pound of body fat?

5. Let's say you start drinking a soda from the school vending machine every day, taking in an additional 200 calories a day. At this rate, how long would it take you to gain one pound of body fat?