Both photosynthesis and respiration involve the conversion of energy from one form to another through a series of biochemical reactions. Both processes use and produce ATP in reactions that are carried out on membranes and are controlled by enzymes.
Are you asking for DNA or chromosomes or something? You asked for which of the following but then dont give the following
The circulatory aids with the immune system because they provide white-blood cells to help fight with the diseases or sicknesses.