True, they must drive with someone who is 21 years or older.
8 to 10 ............................
Answer:
1. When the number of Calories a person consumes is equal to the number of Calories he or she burns in a day, that person's body is in <em>energy balance </em>
2. Someone who is in <em>positive energy balance</em> eats more Calories in a day than he or she burns.
3. <em>Negative energy balance</em> occurs when the number of Calories a person burns in a day is greater than the amount he or she consumes.
4. Used to help assess overall health, <em>Body mass index</em> is the ratio of a person's body weight to the square of his or her height.
5. The <em>basal metabolic rate</em> is the amount of energy the body uses in order to perform its basic physiological functions.
6. The <em>thermic effect of food</em> refers to the number of Calories burned in order to digest food and absorb, transport, metabolize, and store the nutrients the body needs
7. A person's <em>lean body mass</em> refers to his or her total body mass minus fat mass.
8. The <em>energy cost of physical activity</em> refers to all energy expended on body movement above basal levels.
Explanation:
the metabolism is a set of chemical reactions that take place in our cells. Our metabolism converts the food we eat into the energy we need for every action we do.
