Nutrition includes the study of?

The diagram illustrates an absorptive structure in the duodenum. What does “A” represent?
a. microvilli
b. epithelial cell
c. capillary
d. lacteal
e. villus

Nutrition includes the study of
a. the nutrients in foods
b. the body’s utilization of nutrients
c. how nutrients play a role in your body’s health
d. digestion, absorption, and transportation of nutrients
e. All of these choices are correct