1.
Proteins: a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies.
Carbohydrates: any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose. They contain hydrogen and oxygen in the same ratio as water (2/1) and typically can be broken down to release energy in the animal body.
Fats: a natural oily or greasy substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs.
2.The CNS always needs a constant feed of glucose from the blood because it needs energy much more than any other cells in the body and is unable to used stored glucose.
3. When the body needs energy and there’s not enough carbs, then the body turns to stored fat for energy. Ketone Bodies are needed for utilizing fat stores for energy. This can be damaging to organs such as the kidneys. Excess proteins are also damaging to the kidneys.
4. Calorie is a measure of energy released by food as it is digested by the human body Energy - all activities of the body require energy, and all needs are met by the consumption of food containing energy in chemical form This is misleading because calories ARE the energy. So if the drink is supposed to give you energy, then it has calories in it no matter what the label says.
5. Carbs fats and proteins all contain calories so they all have energy.
Part 2
1. Obesity really means having a BMI of 30+. Taking more calories in than the body is able to burn will lead to weight gain. Other contributing factors are medical conditions, medications, and emotional issues.
2. The set point theory says that the body has a natural weight that it likes to be and no matter how much physical.