Quimica

ACTIVITY 2
FOOD AND NUTRITION
1.- Define the following terms: food, energy, calorie, kilocalorie, nutrient
Food: Any nourishing substance that is eaten, drunk, or otherwise taken into the bbody to sustain life, provide energy, promote growth, etc.
Energy: The capacity for vigorous activity; available power
Calorie:A unit equal to the kilocalorie, used to express the heat output of an organism and the fuel or energy value of food.
Kilocalorie: One thousand small calories.
Nutrient: Containing or conveying nutriment, as solutions or vessels of the body.

2.- Individually make a chart of the 6types of nutrients, its properties and functions.
Nutrient | Characteristic | Function |
Carbohydrates | There are two main types of carbohydrates: simple carbohydrates and complex carbohydrates.Simple carbohydrates include fructose, found in fruits, sucrose, or table sugar, and lactose, the sugar found in milk. Complex carbohydrates can be found in beans, legumes, vegetables and grains.

|Carbohydrates are your body's main source of nutritional energy. The sugars in carbohydrates are absorbed into your bloodstream as glucose, which your body converts into expendable energy, which fuelsmetabolic functions, internal processes and physical activity.

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Protein | Proteins are essential amino acids. There are three types of proteins: complete proteins, incomplete proteins, andcomplementary proteins. Sources of complete proteins are animal-based, and include eggs, meat, cheese and milk. Incomplete proteins are found in grains, legumes and beans. 

| These proteins can bemade complete when combined with complementary proteins such as rice, nuts and complete proteins. Proteins are essential for proper growth and bone health. Protein is also responsible for repairingdamaged muscles, tissues, ligaments and tendons, as well as strengthening hair and nails. 



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Fat | While often feared because of its association with weight gain, fat is an...