A lipid is an energy-providing nutrient made from fatty acids and includes solid fats and oils.

Serving sizes differ for each food group because each group provides different amounts of calories and nutrients.

               is the science of how the body receives and uses the substance found in food.

Proteins and carbohydrates both provide ___ calories per gram.  

A(n) ___ food is a food that is high in calories and low in nutrients.  

The original filtrate is identical to plasma except that it does not contain

Name the 6 essential nutrients. 

Alcohol alters urine production by

                                        is a food that has nutrients added in order to increase nutritive value.

Urine can become __________ times more concentrated that other body solutions.