Food Use

1
Food Use
2
Food
Carbohydrates and Fats carbohydrates
fats
Proteins and Nucleic Acids
NH2
Urea
Excretion In urine
3
POOL OF CARBOHYDRATES AND FATS carbohydrates
fats
used as cellular energy source
specialized derivatives (e.g. steroids, acetylchol
ine)
excreted as CO2 via lungs and H2O via urine
cell activities
4
POOL OF AMINO ACIDS AND NUCLEIC ACIDS