Answer:
Calories are a measurement of energy and we are supposed to have a certain number of them a day so we do not gain weight when not wanting to. But if you eat a lot fewer calories then you are supposed to, then you will destroy your body and tons of bad things could happen. However, if you wish to lose some of those extra pounds, then you need to exercise and eat healthy because diet is half or even more then half of your weight and what is happening to it. For portion size, it is how much of each food product you are to consume. Everyone needs a certain grams of fat, carbs, protein and others. So, don't eat too many, especially if they are unhealthy ones, but don't eat to few, you can get very sick.
Near the outer layering of the tooth.
Answer:
You can improve it by decreasing body fat, increasing muscle or both.
Explanation:
Any of these changes will lead to a decrease in your body fat percentage, which is viewed as a single number that describes your body composition. Most people know that diet and exercise can affect body weight and body composition.
Cell structure over time is known as a free radical
voluntary movement, perception, homeostasis and cognition (abstract functions)
