_____ cannot be digested by human digestive enzymes.

Which of the following statements regarding phytochemicals is true?

Uncontrolled diabetes can cause damage to the heart, but does not cause damage to the kidneys or blood vessels.

Which of the following substances is not absorbed by the human body?

Most protein digestion occurs in the

The role of hydrochloric acid in protein digestion is to

Alcohol, although it is not a nutrient because it is not needed for life, provides about 7 calories per gram.

_____ lubricates, moistens, and protects the cells within the mucosa.

The current edition of the Dietary Guidelines for Americans focuses on balancing calorie intake with physical activity and consuming nutrient-dense foods and beverages.

Why is increasing the number of red blood cells an advantageous physiological change that occurs with aerobic training?