4. nutrition
The process of nourishing or being
nourished, especially the process by
which a living organism assimilates
food and uses it for growth and for
replacement of tissues.
5. carbohydrate
Any of a group of organic
compounds that includes sugars,
starches, celluloses, and gums and
serves as a major energy source in
the diet of animals.
6. protein
any of a large group of
nitrogenous compounds of high
molecular weight that are essential
constituents of all living
organisms.
7. fat
A mixture of such compounds
occurring widely in organic tissue,
especially in the adipose tissue of
animals and in the seeds, nuts, and
fruits of plants.
8. vitamin
any of a group of substances that
are essential, in small quantities,
for the normal functioning of
metabolism in the body.
