Because, it helps you exceed.
I believe that the answer would be D., Water.
Water gives you alot of energy, believe it or not. If you
were not to drink water for days, you will feel very lazy
and down.
Hope this helps!
Life processes depend in large part on solutions. Oxygen from the lungs goes into solution in the blood plasma, unites chemically with the hemoglobin in the red blood cells, and is released to the body tissues. The products of digestion also are carried in solution to the different parts of the body. The ability of liquids to dissolve other fluids or solids has many practical applications. Chemists take advantage of differences in solubility to separate and purify materials and to carry out chemical analysis. Most chemical reactions occur in solution and are influenced by the solubilities of the reagents. Materials for chemical manufacturing equipment are selected to resist the solvent action of their contents.
D.) Provides the body with building blocks
Have a great day!