carbohydrates
they are like fat but they are used in your body and hold water whitch makse people look bloted
Explanation:
Having filtered out small essential molecules from the blood - the kidneys must reabsorb the molecules which are needed, while allowing those molecules which are not needed to pass out in the urine. Therefore, the kidneys selectively reabsorb only those molecules which the body needs back in the bloodstream.
cell wall and chloroplasts
