In this assignment, you will investigate the chemical composition of the foods we eat as our bodies break down food by the digestive process.

The U.S. Department of Agriculture (USDA) Nutrient Data Laboratory has posted a resource through which you can investigate the chemical composition of foods. Clickhttp://ndb.nal.usda.gov/to visit the USDA Lab Link at the USDA Nutrient Data Laboratory.

Part 1

Consider the nutritional value of a meal that you have recently eaten, and answer the following questions:

• In terms of the major biological molecules of carbohydrates, fats, and protein, was your meal balanced and healthful?
• What are some of the other components, such as vitamins, minerals, antioxidants, and so forth, that were beneficial?
• Were there somecomponents that are considered bad for your health? Explain.
• How could you make your meal healthier?
• Compare the nutritional value of your meal with that of one or more classmate.

Part 2

Discuss the following:

• Did you have something to drink with your meal? Most beverages contain water. Explain how having water with your meal aids in the breakdown of the meal's molecules.
• What was the water content of the foods that you ate?
• Were there other ingredients in your drink that influence your health, such as vitamins, alcohol, sugar, or caffeine? Explain benefits or drawbacks.
• Discuss the best nutritional choices for beverages.