The energy that's given to the body by food is
a. measured in units called calories.
b. a nutrient that's essential for growth and development.
c. best obtained by eating high protein.
d. excreted by the body if not used.

The answered is A. Measured in units called calories

The average caloric need a day is about 2,000 calories , but it is really depended on our muscle composition, and metabolic rate

People with higher muscle composition and metabolic rate tend to need more calories in order to maintain their body weight

The energy that's given to the body by food is a. measured in units called calories.

All food have corresponding calorie values that help track how much energy you consume in a day. The maximum or ideal calorie intake per day is 2,000 calories. It is said that 1 gram of carbohydrates is equivalent to 4 calories, 1 gram of protein is equivalent to 4 calories, and 1 gram of fat is equivalent to 9 calories. To find out the exact amount of calories there are in the food you consume, you can check the nutrition facts label at the back of its packaging.

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