Metabolically active tissues in the body include the heart, brain, and:
a. skin.
b. esophagus.
c. spleen.
d. kidney.
Question 2
The unit of measurement used by nutritionists to describe the energy content of food is the:
a. kilocalorie (kcalorie or kcal).
b. kilogram.
c. ounce.
d. milligram.